Gaya APA

Poppino, M, A. (1982). Discovering college reading, thinking and study skills: a piagetian approach / Mary A. Poppino . : Holt, Rinehart and Winston.

Gaya MLA

Poppino, Mary, A. "Discovering college reading, thinking and study skills: a piagetian approach / Mary A. Poppino". : Holt, Rinehart and Winston, 1982. Referensi.