Cita APA (7th ed.)

Graham, B. (1950). Answers your questions. Word Wide.

Cita Chicago (17th ed.)

Graham, Billy. Answers Your Questions. Word Wide, 1950.

Cita MLA (9th ed.)

Graham, Billy. Answers Your Questions. Word Wide, 1950.

Atenció: Aquestes cites poden no estar 100% correctes.