APA aipamena

Friendly, F. W. (1967). Due to circumstances beyond our control.. New York: Random House.

Chicago Style aipamena

Friendly, Fred W. Due to Circumstances Beyond Our Control.. New York: Random House, 1967.

MLA aipamena

Friendly, Fred W. Due to Circumstances Beyond Our Control.. New York: Random House, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.