APA citiranje

Dellar, H., & Walkley, A. (2018). Outcomes: Elementary student's book. Vietnam: National Geographic Leanrning; Cengage Learning Vietnam Company Limited.

Trích dẫn kiểu Chicago

Dellar, Hugh, và Andrew Walkley. Outcomes: Elementary Student's Book. Vietnam: National Geographic Leanrning; Cengage Learning Vietnam Company Limited, 2018.

MLA citiranje

Dellar, Hugh, và Andrew Walkley. Outcomes: Elementary Student's Book. Vietnam: National Geographic Leanrning; Cengage Learning Vietnam Company Limited, 2018.