APA (7th ed.) Citation

Rocha, R. (1995). Biru dan indah planet bumi rumah kita. Yayasan Obor Indonesia.

Chicago Style (17th ed.) Citation

Rocha, Ruth. Biru Dan Indah Planet Bumi Rumah Kita. Yayasan Obor Indonesia, 1995.

MLA (8th ed.) Citation

Rocha, Ruth. Biru Dan Indah Planet Bumi Rumah Kita. Yayasan Obor Indonesia, 1995.

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