Gaya APA

State, O, O, I, I, P, U, D, O. (1981). Ekonomi Amerika Serikat (Cetakan 1). JAKARTA: Office of International Information Programs U.S. Departemen of State.

Gaya MLA

State, Office, Of, International, Information, Programs, U.S., Departemen, Of. "Ekonomi Amerika Serikat". Cetakan 1 JAKARTA: Office of International Information Programs U.S. Departemen of State, 1981. Text.