APA aipamena

Harvey, P. (1986). Way ahead. United Kingdom: Penguin books.

Chicago Style aipamena

Harvey, Paul. Way Ahead. United Kingdom: Penguin books, 1986.

MLA aipamena

Harvey, Paul. Way Ahead. United Kingdom: Penguin books, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.