Seminar on Modernisation and the Environment, Pinang Pulau Pinang, Malaysia, Malayan Nature Society. Penang Branch, Consumers Association of Penang, Lim, W. C., & Ravinder Singh. (1974). Proceedings of the Seminar on Modernisation and the Environment. Consumers Association of Penang.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Seminar on Modernisation and the Environment, Pinang Pulau Pinang, Malaysia, Malayan Nature Society. Penang Branch, Consumers Association of Penang, Wah Ching Lim, và Ravinder Singh. Proceedings of the Seminar on Modernisation and the Environment. [Penang]: Consumers Association of Penang, 1974.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Seminar on Modernisation and the Environment, Pinang Pulau Pinang, Malaysia, et al. Proceedings of the Seminar on Modernisation and the Environment. Consumers Association of Penang, 1974.