Gaya APA
Graves, Norman J.. (1982).
New Unesco Source Books for Geography teaching .
Paris:
The Unesco Press.
Gaya Chicago
Graves, Norman J..
New Unesco Source Books for Geography teaching.
Paris:
The Unesco Press,
1982.
Text.
Gaya MLA
Graves, Norman J..
New Unesco Source Books for Geography teaching.
Paris:
The Unesco Press,
1982.
Text.
Gaya Turabian
Graves, Norman J..
New Unesco Source Books for Geography teaching.
Paris:
The Unesco Press,
1982.
Print.