Cita APA (7th ed.)

(2001). Т. 23, № 5. 2001.

Cita Chicago (17th ed.)

Т. 23, № 5. 2001, 2001.

Cita MLA (9th ed.)

Т. 23, № 5. 2001, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.