(1971). Кн. 1. 1971.
Cita Chicago (17th ed.)Кн. 1. 1971, 1971.
Cita MLA (9th ed.)Кн. 1. 1971, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)
(1971). Кн. 1. 1971.
Cita Chicago (17th ed.)Кн. 1. 1971, 1971.
Cita MLA (9th ed.)Кн. 1. 1971, 1971.