APA aipamena

Singer, H. W. 1. . . . .. (1987). International commodity policy. Ashish Pub. House.

Chicago Style aipamena

Singer, Hans Wolfgang 1910-. International Commodity Policy. New Delhi: Ashish Pub. House, 1987.

MLA aipamena

Singer, Hans Wolfgang 1910-. International Commodity Policy. Ashish Pub. House, 1987.