एपीए उद्धरण

Jones, L. (1996). Tài liệu luyện thi bằng Proficiency =: New progress to proficiency : with full key answers for every excrise and further footnotes for evry unit. Tp. HCM: Trẻ.

शिकागो स्टाइल उद्धरण

Jones, Leo. Tài Liệu Luyện Thi Bằng Proficiency =: New Progress to Proficiency : With Full Key Answers for Every Excrise and Further Footnotes for Evry Unit. Tp. HCM: Trẻ, 1996.

एमएलए उद्धरण

Jones, Leo. Tài Liệu Luyện Thi Bằng Proficiency =: New Progress to Proficiency : With Full Key Answers for Every Excrise and Further Footnotes for Evry Unit. Tp. HCM: Trẻ, 1996.