APA aipamena

Chrisler, D. (1968). Preferential trade arrangements of foreign countries. U.S. Dept. of Agriculture, Economic Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off..

Chicago Style aipamena

Chrisler, Donald. Preferential Trade Arrangements of Foreign Countries. Washington: U.S. Dept. of Agriculture, Economic Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968.

MLA aipamena

Chrisler, Donald. Preferential Trade Arrangements of Foreign Countries. U.S. Dept. of Agriculture, Economic Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968.