Gaya APA
Information please almanac atlas & yearbook 1989. (1989).
:
Houghton Mifflin Co.
Gaya Chicago
Information please almanac atlas & yearbook 1989.
.
:
Houghton Mifflin Co,
1989.
.
Gaya MLA
Information please almanac atlas & yearbook 1989.
.
:
Houghton Mifflin Co,
1989.
.
Gaya Turabian
Information please almanac atlas & yearbook 1989.
:
Houghton Mifflin Co,
1989.
.