Gaya APA

Enviromental Health Criteria 20 Selected Petroleum Products. (1982). Malang Kota: WHO Geneva.

Gaya Chicago

Enviromental Health Criteria 20 Selected Petroleum Products. . Malang Kota: WHO Geneva, 1982. Text.

Gaya MLA

Enviromental Health Criteria 20 Selected Petroleum Products. . Malang Kota: WHO Geneva, 1982. Text.

Gaya Turabian

Enviromental Health Criteria 20 Selected Petroleum Products. Malang Kota: WHO Geneva, 1982. Print.