APA引文

Nguyen-dinh-Hoa. (1957). Speak Vietnamese. s.n.

芝加哥风格引文

Nguyen-dinh-Hoa. Speak Vietnamese. Saigon: s.n, 1957.

MLA引文

Nguyen-dinh-Hoa. Speak Vietnamese. s.n, 1957.

警告：这些引文格式不一定是100％准确.