APA (7th ed.) Citation

Sigihardjo. (1969). Assainering - Air Minum. Usaha Tehnik Soemitro.

Chicago Style (17th ed.) Citation

Sigihardjo. Assainering - Air Minum. Usaha Tehnik Soemitro, 1969.

MLA (8th ed.) Citation

Sigihardjo. Assainering - Air Minum. Usaha Tehnik Soemitro, 1969.

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