Dyfyniad APA

(1971). International buyers' guide and directory. Lockwood Trade Journal Co..

Dyfyniad Arddull Chicago

International Buyers' Guide and Directory. New York: Lockwood Trade Journal Co., 1971.

Dyfyniad MLA

International Buyers' Guide and Directory. Lockwood Trade Journal Co., 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.