Gaya APA

Raphael, D, (, D. (1990). Problems of political philosophy / D.D. Raphael (Ed.ke-2). : Macmillan Education LTD..

Gaya MLA

Raphael, D.D., (David, Daiches). "Problems of political philosophy / D.D. Raphael". Ed.ke-2 : Macmillan Education LTD., 1990. Textbook.