APA استشهاد

Perkins, H. C. (1974). Air pollution (International student ed.). McGraw-Hill Kogakusha.

استشهاد بنمط شيكاغو

Perkins, Henry C. Air Pollution. International student ed. Tokyo: McGraw-Hill Kogakusha, 1974.

MLA استشهاد

Perkins, Henry C. Air Pollution. International student ed. McGraw-Hill Kogakusha, 1974.