Gaya APA
Welton, David A., Mallan, John T.. (1981).
Children and their world: strategies for teaching social studies (2nd).
Boston:
Houghton Mifflin Company.
Gaya Chicago
Welton, David A., Mallan, John T..
Children and their world: strategies for teaching social studies.
2nd
Boston:
Houghton Mifflin Company,
1981.
Text.
Gaya MLA
Welton, David A., Mallan, John T..
Children and their world: strategies for teaching social studies.
2nd
Boston:
Houghton Mifflin Company,
1981.
Text.
Gaya Turabian
Welton, David A., Mallan, John T..
Children and their world: strategies for teaching social studies.
2nd
Boston:
Houghton Mifflin Company,
1981.
Print.