APA Style

Liliweri, A., Mulyasa, E. (1994). Learning Together and Alone : Cooperative, Competitive, and Individualistic Learning (Fourth Edition) (Edisi Ke 4). london: allyn and bacon.

MLA Style

Liliweri, Alo., Mulyasa, E.. "Learning Together and Alone : Cooperative, Competitive, and Individualistic Learning (Fourth Edition)". Edisi Ke 4 london: allyn and bacon, 1994. Buku PGSD.