APA استشهاد

Smith, k. (1975). Principles of applied climatology. Mc Graw Hill Book company.

استشهاد بنمط شيكاغو

Smith, keith. Principles of Applied Climatology. London: Mc Graw Hill Book company, 1975.

MLA استشهاد

Smith, keith. Principles of Applied Climatology. Mc Graw Hill Book company, 1975.