Gaya APA

Stebbins, R, P., Amoia, A. (1973). The world this year 1973 : supplement to the political handbook and atlas of the world . America: Council on Foreign Relations, Inc.

Gaya MLA

Stebbins, Richard, P.., Amoia, Alba. "The world this year 1973 : supplement to the political handbook and atlas of the world". America: Council on Foreign Relations, Inc, 1973. Text.