Gaya APA
Allora, Ralph. (c2009).
Winning sales letters--from prospect to close .
nyu:
McGraw-Hill.
Gaya Chicago
Allora, Ralph.
Winning sales letters--from prospect to close.
nyu:
McGraw-Hill,
c2009.
Buku.
Gaya MLA
Allora, Ralph.
Winning sales letters--from prospect to close.
nyu:
McGraw-Hill,
c2009.
Buku.
Gaya Turabian
Allora, Ralph.
Winning sales letters--from prospect to close.
nyu:
McGraw-Hill,
c2009.
Buku.