Gaya APA
Hill, Napoleon, Stone, W. Clement. (1990).
Success through a positive mental attitude .
Englewood Cliffs, NJ:
Prentice-Hall.
Gaya Chicago
Hill, Napoleon, Stone, W. Clement.
Success through a positive mental attitude.
Englewood Cliffs, NJ:
Prentice-Hall,
1990.
Text.
Gaya MLA
Hill, Napoleon, Stone, W. Clement.
Success through a positive mental attitude.
Englewood Cliffs, NJ:
Prentice-Hall,
1990.
Text.
Gaya Turabian
Hill, Napoleon, Stone, W. Clement.
Success through a positive mental attitude.
Englewood Cliffs, NJ:
Prentice-Hall,
1990.
Print.