APA استشهاد

Schenck, H. (1969). Introduction to engineering research project. McGraw-Hill.

استشهاد بنمط شيكاغو

Schenck, Hilbert. Introduction to Engineering Research Project. New York: McGraw-Hill, 1969.

MLA استشهاد

Schenck, Hilbert. Introduction to Engineering Research Project. McGraw-Hill, 1969.