Gaya APA
PIOTROW, Phyllis T.. (1980).
Six Billion people : demographics dile,as and world politics .
New York:
McGraw-Hill Book VCompany.
Gaya Chicago
PIOTROW, Phyllis T..
Six Billion people : demographics dile,as and world politics.
New York:
McGraw-Hill Book VCompany,
1980.
Text.
Gaya MLA
PIOTROW, Phyllis T..
Six Billion people : demographics dile,as and world politics.
New York:
McGraw-Hill Book VCompany,
1980.
Text.
Gaya Turabian
PIOTROW, Phyllis T..
Six Billion people : demographics dile,as and world politics.
New York:
McGraw-Hill Book VCompany,
1980.
Print.