Gaya APA
Forward, Robert L.. (1990).
Rocheworld .
Riverdale, NY:
Bean.
Gaya Chicago
Forward, Robert L..
Rocheworld.
Riverdale, NY:
Bean,
1990.
Text.
Gaya MLA
Forward, Robert L..
Rocheworld.
Riverdale, NY:
Bean,
1990.
Text.
Gaya Turabian
Forward, Robert L..
Rocheworld.
Riverdale, NY:
Bean,
1990.
Print.