APA Style

Widyatama, R, P. ([s.n.]). Tes IQ anak: playgroup dan TK . Yogyakarta: Pustaka Widyatama.

MLA Style

Widyatama, Redaksi, Pustaka. "Tes IQ anak: playgroup dan TK". Yogyakarta: Pustaka Widyatama, [s.n.]. Sound Recording.