Gaya APA

Harris, M. (1984). Practice For a Purpose : Writing Activities for Classroom, Lab, and Self-Study (Ilmu Ekonomi Studi Pembangunan). Malang: .

Gaya MLA

Harris, Muriel. "Practice For a Purpose : Writing Activities for Classroom, Lab, and Self-Study". Ilmu Ekonomi Studi Pembangunan Malang: , 1984. .