Quang Dan, P. (1975). The Republic of Vietnam's environment and people. [s.n.].
Citazione stile Chigago Style (17a edizione)Quang Dan, Phan. The Republic of Vietnam's Environment and People. Saigon: [s.n.], 1975.
Citatione MLA (9a ed.)Quang Dan, Phan. The Republic of Vietnam's Environment and People. [s.n.], 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.