APA (7th ed.) Citation

Sastroutomo, S. S. (1990). Ekologi Gulma. PT Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Sastroutomo, Soetikno S. Ekologi Gulma. PT Gramedia Pustaka Utama, 1990.

MLA (8th ed.) Citation

Sastroutomo, Soetikno S. Ekologi Gulma. PT Gramedia Pustaka Utama, 1990.

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