APA استشهاد

Gerhardsen, G. . M. (1949). Salted cod and related species. Pretty.

استشهاد بنمط شيكاغو

Gerhardsen, G M. Salted Cod and Related Species. Washington: Pretty, 1949.

MLA استشهاد

Gerhardsen, G M. Salted Cod and Related Species. Pretty, 1949.