Gaya APA
Allen, Oliver E. (1982).
Secrets of a good digestion .
Virginia:
Time Life Books.
Gaya Chicago
Allen, Oliver E.
Secrets of a good digestion.
Virginia:
Time Life Books,
1982.
Text.
Gaya MLA
Allen, Oliver E.
Secrets of a good digestion.
Virginia:
Time Life Books,
1982.
Text.
Gaya Turabian
Allen, Oliver E.
Secrets of a good digestion.
Virginia:
Time Life Books,
1982.
Print.