Gaya APA
Books in world history : a Guide for teachers and students. (1973).
Bloomington:
[s.n.].
Gaya Chicago
Books in world history : a Guide for teachers and students.
.
Bloomington:
[s.n.],
1973.
Text.
Gaya MLA
Books in world history : a Guide for teachers and students.
.
Bloomington:
[s.n.],
1973.
Text.
Gaya Turabian
Books in world history : a Guide for teachers and students.
Bloomington:
[s.n.],
1973.
Print.