Gaya APA

World, M, C, E, O. (1983). Macmillan Children's Encyclopedia Our World : Work and Industry . London: Macmillan Pubishers Limited.

Gaya MLA

World, Macmillan, Children's, Encyclopedia, Our. "Macmillan Children's Encyclopedia Our World : Work and Industry". London: Macmillan Pubishers Limited, 1983. Book.