APA aipamena

Wray, R. (2020). A Great Leap Forward. ELSEVIER.

Chicago Style aipamena

Wray, Randall. A Great Leap Forward. ELSEVIER, 2020.

MLA aipamena

Wray, Randall. A Great Leap Forward. ELSEVIER, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.