APA-viite (7. p.)

Gelb, L. H. Vietnam: The system worked / Leslie H. Gelb. Twentieth-century america : recent interpretations.(1972).

Chicago-viite (17. p.)

Gelb, Leslie H. "Vietnam: The System Worked / Leslie H. Gelb." Twentieth-century America : Recent Interpretations.(1972) .

MLA-viite (8. p.)

Gelb, Leslie H. "Vietnam: The System Worked / Leslie H. Gelb." Twentieth-century America : Recent Interpretations.(1972), .