APA Style
Valkenburg, Samuel Van. (1964).
A Geography Of World Economy (FIRST EDITON).
New York:
D. VAN NOSTRAND COMPANY, INC.
Chicago Style
Valkenburg, Samuel Van.
A Geography Of World Economy.
FIRST EDITON
New York:
D. VAN NOSTRAND COMPANY, INC,
1964.
Print.
MLA Style
Valkenburg, Samuel Van.
A Geography Of World Economy.
FIRST EDITON
New York:
D. VAN NOSTRAND COMPANY, INC,
1964.
Print.
Turabian Style
Valkenburg, Samuel Van.
A Geography Of World Economy.
FIRST EDITON
New York:
D. VAN NOSTRAND COMPANY, INC,
1964.
Print.