APA استشهاد

Frieze, P. A. (1984). Marine and offshore safety. Elsevier.

استشهاد بنمط شيكاغو

Frieze, P A. Marine and Offshore Safety. Oxford: Elsevier, 1984.

MLA استشهاد

Frieze, P A. Marine and Offshore Safety. Elsevier, 1984.