Gaya APA
Solo, Robert A.. (1982).
The positive state .
Cincinati, Ohio:
South-western Publishing.
Gaya Chicago
Solo, Robert A..
The positive state.
Cincinati, Ohio:
South-western Publishing,
1982.
Text.
Gaya MLA
Solo, Robert A..
The positive state.
Cincinati, Ohio:
South-western Publishing,
1982.
Text.
Gaya Turabian
Solo, Robert A..
The positive state.
Cincinati, Ohio:
South-western Publishing,
1982.
Print.