Gaya APA

Enviromental Health Criteria 4 Oxidn of Nitrigen. (1977). Malang Kota: WHO Geneva.

Gaya Chicago

Enviromental Health Criteria 4 Oxidn of Nitrigen. . Malang Kota: WHO Geneva, 1977. Text.

Gaya MLA

Enviromental Health Criteria 4 Oxidn of Nitrigen. . Malang Kota: WHO Geneva, 1977. Text.

Gaya Turabian

Enviromental Health Criteria 4 Oxidn of Nitrigen. Malang Kota: WHO Geneva, 1977. Print.