APA-Zitierstil (7. Ausg.)

(1983). Modern trends in sludge management: Proceedings of a seminar held in Pretoria, Republic of South Africa, 5 - 6 April, 1982. Pergamon Pr.

Chicago-Zitierstil (17. Ausg.)

Modern Trends in Sludge Management: Proceedings of a Seminar Held in Pretoria, Republic of South Africa, 5 - 6 April, 1982. Oxford u.a: Pergamon Pr, 1983.

MLA-Zitierstil (9. Ausg.)

Modern Trends in Sludge Management: Proceedings of a Seminar Held in Pretoria, Republic of South Africa, 5 - 6 April, 1982. Pergamon Pr, 1983.