APA

Pappageotes G. C., Emmanuel P. D., . (1959). Cortina's modern Greek in 20 lessons : intended for self-study and for use in schools, with a simplified system of phonetic pronunciation and a reference grammar of both demotic and puristic (katharevousa). New York: R.D. Cortina Co.

Chicago

Pappageotes George Christos, Emmanuel Philip D, . 1959. Cortina's modern Greek in 20 lessons : intended for self-study and for use in schools, with a simplified system of phonetic pronunciation and a reference grammar of both demotic and puristic (katharevousa). New York: R.D. Cortina Co.

Harvard

Pappageotes G. C., Emmanuel P. D., . (1959). Cortina's modern Greek in 20 lessons : intended for self-study and for use in schools, with a simplified system of phonetic pronunciation and a reference grammar of both demotic and puristic (katharevousa). New York: R.D. Cortina Co.

MLA

Pappageotes George Christos, Emmanuel Philip D, . Cortina's modern Greek in 20 lessons : intended for self-study and for use in schools, with a simplified system of phonetic pronunciation and a reference grammar of both demotic and puristic (katharevousa). New York: R.D. Cortina Co. 1959.