Gaya APA

Vol.12, G, E, O, K. (1993). Grolier encyclopedia of knowledge Vol.12 / Grolier Incorporated . : .

Gaya MLA

Vol.12, Grolier, Encyclopedia, Of, Knowledge. "Grolier encyclopedia of knowledge Vol.12 / Grolier Incorporated". : , 1993. Pendidikan Guru Madrasah Ibtidaiyah.