APA استشهاد

Gibbons, M. A. (2002). The self directed learning handbook: Challenging adolescent students to excel.

استشهاد بنمط شيكاغو

Gibbons, Maurice; Author. The Self Directed Learning Handbook: Challenging Adolescent Students to Excel. San Francisco, Jossey-Bass Inc, 2002.

MLA استشهاد

Gibbons, Maurice; Author. The Self Directed Learning Handbook: Challenging Adolescent Students to Excel. 2002.