APA aipamena

Katsouyiannopoulos, V. (1981). The falling twin rate in Greece.

Chicago Style aipamena

Katsouyiannopoulos, V. The Falling Twin Rate in Greece. 1981.

MLA aipamena

Katsouyiannopoulos, V. The Falling Twin Rate in Greece. 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.