APA استشهاد

Kerr, P. F. (1977). Optical mineralogy (4.). Mc Graw Hill Book company.

استشهاد بنمط شيكاغو

Kerr, P F. Optical Mineralogy. 4. NewYork: Mc Graw Hill Book company, 1977.

MLA استشهاد

Kerr, P F. Optical Mineralogy. 4. Mc Graw Hill Book company, 1977.