APA استشهاد

Henry Charlier, R. a. L. G. (1978). Ocean Resources: An Introduction to Economic Oceanography. UPA.

استشهاد بنمط شيكاغو

Henry Charlier, Roger and Ludwig Gorden. Ocean Resources: An Introduction to Economic Oceanography. Washington: UPA, 1978.

MLA استشهاد

Henry Charlier, Roger and Ludwig Gorden. Ocean Resources: An Introduction to Economic Oceanography. UPA, 1978.