एपीए उद्धरण

Vinh university Department of Foreign languages. (2014). Supplementary material for B1 English intensive course student's book. Vinh.

शिकागो स्टाइल उद्धरण

Vinh university Department of Foreign languages. Supplementary Material for B1 English Intensive Course Student's Book. Vinh, 2014.

एमएलए उद्धरण

Vinh university Department of Foreign languages. Supplementary Material for B1 English Intensive Course Student's Book. Vinh, 2014.