APA (7th ed.) Citation

WIDARTO. (1997). Membuat Biogas / Widarto, FX. Sudarto. Yogyakarta : Kanisius.

Chicago Style (17th ed.) Citation

WIDARTO. Membuat Biogas / Widarto, FX. Sudarto. Yogyakarta : Kanisius, 1997.

MLA (8th ed.) Citation

WIDARTO. Membuat Biogas / Widarto, FX. Sudarto. Yogyakarta : Kanisius, 1997.

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