Heine, J. N. (1986). Blue water diving guidelines. California Sea Grant College.
Chicago Style (17th ed.) ZitazioaHeine, John N. Blue Water Diving Guidelines. San Diego: California Sea Grant College, 1986.
MLA (9th ed.) ZitazioaHeine, John N. Blue Water Diving Guidelines. California Sea Grant College, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.