Delobeau, F. (1971). Environment of the earth, tr. from French by Janet Rountree Lesh. D-Reidel.
استشهاد بنمط شيكاغوDelobeau, Francis. Environment of the Earth, Tr. from French by Janet Rountree Lesh. Holland: D-Reidel, 1971.
MLA استشهادDelobeau, Francis. Environment of the Earth, Tr. from French by Janet Rountree Lesh. D-Reidel, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.