APA aipamena

Gamow, G. (1990). <As >aventuras do Sr. Tompkins. Gradiva.

Chicago Style aipamena

Gamow, George. <As >aventuras Do Sr. Tompkins. Gradiva, 1990.

MLA aipamena

Gamow, George. <As >aventuras Do Sr. Tompkins. Gradiva, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.