APA ציטוט

Firth, F. E. (1969). The Encyclopedia of marine resources. Van Nostrand reinhold company.

Chicago Edition Citation

Firth, Frank E. The Encyclopedia of Marine Resources. London: Van Nostrand reinhold company, 1969.

ציטוט MLA

Firth, Frank E. The Encyclopedia of Marine Resources. Van Nostrand reinhold company, 1969.