APA (7th ed.) Citation

Inc, G. I. (1999). Ilmu Pengetahuan Populer 10. PT Widyadara.

Chicago Style (17th ed.) Citation

Inc, Grolier Internasional. Ilmu Pengetahuan Populer 10. PT Widyadara, 1999.

MLA (8th ed.) Citation

Inc, Grolier Internasional. Ilmu Pengetahuan Populer 10. PT Widyadara, 1999.

Warning: These citations may not always be 100% accurate.