Kelly, B. (1983). Amazon. Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)Kelly, Brian. Amazon. Harcourt Brace Jovanovich, 1983.
Cita MLA (9th ed.)Kelly, Brian. Amazon. Harcourt Brace Jovanovich, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.