APA

(1991). Câyco Viêtnam - 1(1) An illustrated Flora of Vietnam: Pteridophyta, Gymnospermae, Magnoliaceae - Tiliaceae. : .

Chicago

1991. Câyco Viêtnam - 1(1) An illustrated Flora of Vietnam: Pteridophyta, Gymnospermae, Magnoliaceae - Tiliaceae. : .

Harvard

(1991). Câyco Viêtnam - 1(1) An illustrated Flora of Vietnam: Pteridophyta, Gymnospermae, Magnoliaceae - Tiliaceae. : .

MLA

Câyco Viêtnam - 1(1) An illustrated Flora of Vietnam: Pteridophyta, Gymnospermae, Magnoliaceae - Tiliaceae. : . 1991.