Gaya APA

Hutabarat, N, F. (2008). How could calla strategy be applied in teaching writing? (Vol. 70, No. XXXV/ Juli-September 2008). Medan: Fakultas Bahasa dan Seni Universitas Negeri Medan.

Gaya MLA

Hutabarat, Netty, F. "How could calla strategy be applied in teaching writing?". Vol. 70, No. XXXV/ Juli-September 2008 Medan: Fakultas Bahasa dan Seni Universitas Negeri Medan, 2008. Art Original.