Gaya APA
GRAY, H.Peter. (1976).
A generalized theory of international trade .
London:
Macmillan Press.
Gaya Chicago
GRAY, H.Peter.
A generalized theory of international trade.
London:
Macmillan Press,
1976.
Monograf.
Gaya MLA
GRAY, H.Peter.
A generalized theory of international trade.
London:
Macmillan Press,
1976.
Monograf.
Gaya Turabian
GRAY, H.Peter.
A generalized theory of international trade.
London:
Macmillan Press,
1976.
Monograf.