APA-viite

Nguyễn Văn Hồng, & Truong Vien Ph.D huong dan. (2008). An Investigation into Cooperative Learning to Develop Speaking Skills for Students of English at Upper Secondary Schools in Danang.

Chicago-tyylinen lähdeviittaus

Nguyễn Văn Hồng, ja Truong Vien Ph.D huong dan. An Investigation Into Cooperative Learning to Develop Speaking Skills for Students of English At Upper Secondary Schools in Danang. 2008.

MLA-viite

Nguyễn Văn Hồng, ja Truong Vien Ph.D huong dan. An Investigation Into Cooperative Learning to Develop Speaking Skills for Students of English At Upper Secondary Schools in Danang. 2008.

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