Gaya APA
DUNCKEL, Jacqueline, PARNHAM, Elizabeth. (1989).
Guide to effective business speaking .
North Vancouver:
International self-Counsel press ltd..
Gaya Chicago
DUNCKEL, Jacqueline, PARNHAM, Elizabeth.
Guide to effective business speaking.
North Vancouver:
International self-Counsel press ltd.,
1989.
Text.
Gaya MLA
DUNCKEL, Jacqueline, PARNHAM, Elizabeth.
Guide to effective business speaking.
North Vancouver:
International self-Counsel press ltd.,
1989.
Text.
Gaya Turabian
DUNCKEL, Jacqueline, PARNHAM, Elizabeth.
Guide to effective business speaking.
North Vancouver:
International self-Counsel press ltd.,
1989.
Print.