Principles of speech communication /
Ehninger, Douglas.
Principles of speech communication / Douglas Ehninger. - 8th. - Illinois : Scott, Foresman and co., c1979. - 365 p.
0673152766
Oral communication.
Public speaking.
PN4121 / .M578
Principles of speech communication / Douglas Ehninger. - 8th. - Illinois : Scott, Foresman and co., c1979. - 365 p.
0673152766
Oral communication.
Public speaking.
PN4121 / .M578