APA Style
Investments. (1990).
New Jersey:
Prentice Hall.
Chicago Style
Investments.
Ed.4.
New Jersey:
Prentice Hall,
1990.
Ekonomi.
MLA Style
Investments.
Ed.4.
New Jersey:
Prentice Hall,
1990.
Ekonomi.
Turabian Style
Investments.
New Jersey:
Prentice Hall,
1990.
Ekonomi.