APA aipamena

Mackay, C. N. (1971). Speak Yourself. Gower press.

Chicago Style aipamena

Mackay, Colin Neil. Speak Yourself. London: Gower press, 1971.

MLA aipamena

Mackay, Colin Neil. Speak Yourself. Gower press, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.