Gaya APA
Broek, Jan Otto Marius, Webb, John W.. (1973).
A Geography of mankind (2nd ed).
New York:
McGraw-Hill.
Gaya Chicago
Broek, Jan Otto Marius, Webb, John W..
A Geography of mankind.
2nd ed
New York:
McGraw-Hill,
1973.
Text.
Gaya MLA
Broek, Jan Otto Marius, Webb, John W..
A Geography of mankind.
2nd ed
New York:
McGraw-Hill,
1973.
Text.
Gaya Turabian
Broek, Jan Otto Marius, Webb, John W..
A Geography of mankind.
2nd ed
New York:
McGraw-Hill,
1973.
Print.