APA Citation

Koen, W. (1989). Widya Wiyata Pertama Anak-anak: Dinosaurus. Tira Pustaka.

Chicago Style Citation

Koen, Willie. Widya Wiyata Pertama Anak-anak: Dinosaurus. Tira Pustaka, 1989.

MLA Citation

Koen, Willie. Widya Wiyata Pertama Anak-anak: Dinosaurus. Tira Pustaka, 1989.

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