Gaya APA
Pitzl, Gerald. (1990).
ANNUAL editions : geography 1990-91 .
Guilford, Connecticut:
the dushkin publishing group, inc.
Gaya Chicago
Pitzl, Gerald.
ANNUAL editions : geography 1990-91.
Guilford, Connecticut:
the dushkin publishing group, inc,
1990.
Text.
Gaya MLA
Pitzl, Gerald.
ANNUAL editions : geography 1990-91.
Guilford, Connecticut:
the dushkin publishing group, inc,
1990.
Text.
Gaya Turabian
Pitzl, Gerald.
ANNUAL editions : geography 1990-91.
Guilford, Connecticut:
the dushkin publishing group, inc,
1990.
Print.