Παραπομπή σε μορφή APA (7η εκδ.)

Riley, H. (1970). Food marketing in the economic development of Puerto Rico. Latin American Studies Center, Michigan State University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Riley, Harold. Food Marketing in the Economic Development of Puerto Rico. East Lansing, Mich.: Latin American Studies Center, Michigan State University, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Riley, Harold. Food Marketing in the Economic Development of Puerto Rico. Latin American Studies Center, Michigan State University, 1970.