APA (7th ed.) Citation

Riyadi, A. S. (1981). Dasar - Dasar Ekologi. APK Surabaya.

Chicago Style (17th ed.) Citation

Riyadi, A.L. Slamet. Dasar - Dasar Ekologi. APK Surabaya, 1981.

MLA (8th ed.) Citation

Riyadi, A.L. Slamet. Dasar - Dasar Ekologi. APK Surabaya, 1981.

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