Gaya APA
Hybels, Saundra. (2004).
Communicating effectively (7e).
Boston:
McGraw Hill.
Gaya Chicago
Hybels, Saundra.
Communicating effectively.
7e
Boston:
McGraw Hill,
2004.
CD ROM.
Gaya MLA
Hybels, Saundra.
Communicating effectively.
7e
Boston:
McGraw Hill,
2004.
CD ROM.
Gaya Turabian
Hybels, Saundra.
Communicating effectively.
7e
Boston:
McGraw Hill,
2004.
CD ROM.