(1980). 101 Pertanyaan Mengenai Balita. Sinar Harapan.
Chicago Style Citation101 Pertanyaan Mengenai Balita. Sinar Harapan, 1980.
MLA Citation101 Pertanyaan Mengenai Balita. Sinar Harapan, 1980.
Warning: These citations may not always be 100% accurate.