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