Gaya APA

Nurihsan, A, J., Brown, H, D. (1980,2000). Principles Of Language Learning And Teaching (4th Ed.,Ed. 4). New Jersey: Prentice-Hall.

Gaya MLA

Nurihsan, Achmad, Juntika., Brown, H., Douglas. "Principles Of Language Learning And Teaching". 4th Ed.,Ed. 4 New Jersey: Prentice-Hall, 1980,2000. Text.