Gaya APA
Harrison, Selig S. (1978).
The widening gulf .
United States of America:
The Free Press.
Gaya Chicago
Harrison, Selig S.
The widening gulf.
United States of America:
The Free Press,
1978.
Text.
Gaya MLA
Harrison, Selig S.
The widening gulf.
United States of America:
The Free Press,
1978.
Text.
Gaya Turabian
Harrison, Selig S.
The widening gulf.
United States of America:
The Free Press,
1978.
Print.