Lollins, O. (1970). The organization makers: A behavioral study of independent entrepreneurs. New York: Appleton- Century- Crofts.

Lollins, Orvis. The Organization Makers: A Behavioral Study of Independent Entrepreneurs. New York: Appleton- Century- Crofts, 1970.

Lollins, Orvis. The Organization Makers: A Behavioral Study of Independent Entrepreneurs. New York: Appleton- Century- Crofts, 1970.