Gaya APA

Lauer, J, C., Lauer, R, H. (2003). The Play Solution (Cet 1). Yogyakarta: Futuh Printika.

Gaya MLA

Lauer, Jeanette, C.., Lauer, Robert, H. "The Play Solution". Cet 1 Yogyakarta: Futuh Printika, 2003. Text.