APA aipamena

Frazier, D. A. (1999). The ABCs of safe flying. McGraw-Hill.

Chicago Style aipamena

Frazier, David A. The ABCs of Safe Flying. McGraw-Hill, 1999.

MLA aipamena

Frazier, David A. The ABCs of Safe Flying. McGraw-Hill, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.