APA استشهاد

De Vries, L. (1959). German English science dictionary. McGraw-Hill.

استشهاد بنمط شيكاغو

De Vries, Louis. German English Science Dictionary. New York: McGraw-Hill, 1959.

MLA استشهاد

De Vries, Louis. German English Science Dictionary. McGraw-Hill, 1959.