Gaya APA
DYER, KEVIN G.. (1978).
WORLD CHALLENGE .
ILLINOIS:
PROSPECT HEIGHTS.
Gaya Chicago
DYER, KEVIN G..
WORLD CHALLENGE.
ILLINOIS:
PROSPECT HEIGHTS,
1978.
Text.
Gaya MLA
DYER, KEVIN G..
WORLD CHALLENGE.
ILLINOIS:
PROSPECT HEIGHTS,
1978.
Text.
Gaya Turabian
DYER, KEVIN G..
WORLD CHALLENGE.
ILLINOIS:
PROSPECT HEIGHTS,
1978.
Print.