APA-viite (7. p.)

PMcCallum, G. (1977). Seven plays from American literature. English LanguageServices.

Chicago-viite (17. p.)

PMcCallum, George. Seven Plays from American Literature. Culver City, Calif: English LanguageServices, 1977.

MLA-viite (9. p.)

PMcCallum, George. Seven Plays from American Literature. English LanguageServices, 1977.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.