APA (7th ed.) Citation

Gakken & Berry, C. (1995). Ekologi dan lingkungan. Tira Pustaka.

Chicago Style (17th ed.) Citation

Gakken and C.E Berry. Ekologi Dan Lingkungan. Tira Pustaka, 1995.

MLA (8th ed.) Citation

Gakken and C.E Berry. Ekologi Dan Lingkungan. Tira Pustaka, 1995.

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