APA (7th ed.) Citation

(1991). Pencemaran Lingkungan/Tresna Sastrawijaya.

Chicago Style (17th ed.) Citation

Pencemaran Lingkungan/Tresna Sastrawijaya. 1991.

MLA (8th ed.) Citation

Pencemaran Lingkungan/Tresna Sastrawijaya. 1991.

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