APA aipamena

Fraser, J. T. (1975). The study of time II. Berlin [u.a.].

Chicago Style aipamena

Fraser, J. T. The Study of Time II. Berlin [u.a.], 1975.

MLA aipamena

Fraser, J. T. The Study of Time II. Berlin [u.a.], 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.