Penggayaan APA
POWERFUL telephone skills :. (1993).
Hawthorne:
Career Press.
Chicago Style
POWERFUL telephone skills :.
.
Hawthorne:
Career Press,
1993.
Buku.
MLA Style
POWERFUL telephone skills :.
.
Hawthorne:
Career Press,
1993.
Buku.
Turabian Style
POWERFUL telephone skills :.
Hawthorne:
Career Press,
1993.
Buku.