APA استشهاد

(1973). Guide to the measurement of marine primary production under some special conditions. UNESCO.

استشهاد بنمط شيكاغو

Guide to the Measurement of Marine Primary Production Under Some Special Conditions. Paris: UNESCO, 1973.

MLA استشهاد

Guide to the Measurement of Marine Primary Production Under Some Special Conditions. UNESCO, 1973.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.