APA (7th ed.) Citation

Widyastuti, D., & Widyani, R. (2001). Panduan Perkembangan Anak 0-1 Tahun. Puspa Swara.

Chicago Style (17th ed.) Citation

Widyastuti, Danis, and Retno Widyani. Panduan Perkembangan Anak 0-1 Tahun. Puspa Swara, 2001.

MLA (9th ed.) Citation

Widyastuti, Danis, and Retno Widyani. Panduan Perkembangan Anak 0-1 Tahun. Puspa Swara, 2001.

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