Gaya APA
Fryer, D.W.. (1965).
World economic development (text).
New York:
McGraw-Hill.
Gaya Chicago
Fryer, D.W..
World economic development.
text
New York:
McGraw-Hill,
1965.
Tesis.
Gaya MLA
Fryer, D.W..
World economic development.
text
New York:
McGraw-Hill,
1965.
Tesis.
Gaya Turabian
Fryer, D.W..
World economic development.
text
New York:
McGraw-Hill,
1965.
Tesis.