Malham, H. J., & written and illustrated by Howell J. Mallham; foreword by Jeff Leitner. I have a strategy (no you don't): The illustrated guide to strategy. San Francisco: Jossey-Bass.

Malham, Howell Jr., và written and illustrated by Howell J. Mallham; foreword by Jeff Leitner. I Have a Strategy (no You Don't): The Illustrated Guide to Strategy. San Francisco: Jossey-Bass.

Malham, Howell Jr., và written and illustrated by Howell J. Mallham; foreword by Jeff Leitner. I Have a Strategy (no You Don't): The Illustrated Guide to Strategy. San Francisco: Jossey-Bass.