APA-referens

Cowgill, U. M. (1964). RECENT VARIATIONS IN THE SEASON OF BIRTH IN PUERTO RICO.

Chicago-stil citat

Cowgill, Ursula M. RECENT VARIATIONS IN THE SEASON OF BIRTH IN PUERTO RICO. 1964.

MLA-referens

Cowgill, Ursula M. RECENT VARIATIONS IN THE SEASON OF BIRTH IN PUERTO RICO. 1964.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.