Styl cytowania APA

Engels, F. A., & Marx, K. A. (1987). Thiranhedutha krthikal.

Styl cytowania Chicago

Engels, Friedrich; Author, i Karl; Author Marx. Thiranhedutha Krthikal. Thiruvananthapuram, Prabhath Book House, 1987.

Styl cytowania MLA

Engels, Friedrich; Author, i Karl; Author Marx. Thiranhedutha Krthikal. 1987.