APA Style
Guide to the use of libraries and information sour. (1989).
:
New York : McGraw-Hill.
Chicago Style
Guide to the use of libraries and information sour.
6th ed..
:
New York : McGraw-Hill,
1989.
.
MLA Style
Guide to the use of libraries and information sour.
6th ed..
:
New York : McGraw-Hill,
1989.
.
Turabian Style
Guide to the use of libraries and information sour.
:
New York : McGraw-Hill,
1989.
.