Knackstedt, M. The Interior Design Business Handbook : A Complete Guide to Profitability. New York: Whitney Library of Design, 1988 350 p. : tabl. 0-8230-2558-6.
Knackstedt, M. The Interior Design Business Handbook : A Complete Guide to Profitability. New York: Whitney Library of Design, 1988 350 p. : tabl. 0-8230-2558-6.
Knackstedt, M. (1988) The Interior Design Business Handbook : A Complete Guide to Profitability, New York: Whitney Library of Design 350 p. : tabl. 0-8230-2558-6.
Knackstedt, M. (1988). The Interior Design Business Handbook : A Complete Guide to Profitability. Handbook. New York: Whitney Library of Design, 350 p. : tabl.
Knackstedt M. The Interior Design Business Handbook : A Complete Guide to Profitability: Handbook. New York: Whitney Library of Design; 1988. p. 350 p. : tabl. ISBN: 0-8230-2558-6.