APA استشهاد

Offenhartz, P. O. (1970). Atomic and molecular orbital theory. McGraw-Hill.

استشهاد بنمط شيكاغو

Offenhartz, Peter O"D. Atomic and Molecular Orbital Theory. New York: McGraw-Hill, 1970.

MLA استشهاد

Offenhartz, Peter O"D. Atomic and Molecular Orbital Theory. McGraw-Hill, 1970.