Styl cytowania APA

De, A. K. (2013). Environemntal chemistry (7th ed.). New age international.

Styl cytowania Chicago

De, A K. Environemntal Chemistry. 7th ed. Newdelhi: New age international, 2013.

Styl cytowania MLA

De, A K. Environemntal Chemistry. 7th ed. New age international, 2013.