Penggayaan APA
HARTLAND, PENELOPE. (1980).
Trading blocs, US exports and world trade .
Boulder:
Westview Press.
Chicago Style
HARTLAND, PENELOPE.
Trading blocs, US exports and world trade.
Boulder:
Westview Press,
1980.
Text.
MLA Style
HARTLAND, PENELOPE.
Trading blocs, US exports and world trade.
Boulder:
Westview Press,
1980.
Text.
Turabian Style
HARTLAND, PENELOPE.
Trading blocs, US exports and world trade.
Boulder:
Westview Press,
1980.
Print.