APA (7th ed.) Citation

Espig, G. (1988). EKOLOGI. YAYASAN OBOR INDONESIA.

Chicago Style (17th ed.) Citation

Espig, Gustav. EKOLOGI. YAYASAN OBOR INDONESIA, 1988.

MLA (8th ed.) Citation

Espig, Gustav. EKOLOGI. YAYASAN OBOR INDONESIA, 1988.

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