How to start and run a writing and editing business /

od Holtz, Herman.
Izdano 1992

Advice, a high profit business : a guide for consultants and other entrepreneurs /

od Holtz, Herman.
Izdano 1986

How to succeed as an independent consultant /

od Holtz, Herman.
Izdano 1983

How to succeed as an independent consultant /

od Holtz, Herman.
Izdano 1993

The business plan guide for independent consultants /

od Holtz, Herman.
Izdano 1994

The consultant's guide to proposal writing : how to satisfy your clients and double your income /

od Holtz, Herman.
Izdano 1986

The Consultant's edge : using the computer as a marketing tool /

od Holtz, Herman.
Izdano 1985

Word processing for business publications : how to produce proposals, manuals, catalogs, newsletters, and more /

od Holtz, Herman.
Izdano 1985