Gaya APA
Mallan, D, A, W, J, T. (1981).
Children And Their World: Strategies for Teaching Social Studies (ed. 2).
Boston:
Houghton Mifflin Company.
Gaya MLA
Mallan, David, A., Welton,, John, T..
"Children And Their World: Strategies for Teaching Social Studies".
ed. 2
Boston:
Houghton Mifflin Company,
1981.
Text.