Editore: Institute of Behavioral Science, 1975
Da: GuthrieBooks, Spring Branch, TX, U.S.A.
Hardcover. Condizione: Very Good. Ex-Library hardcover in very nice condition with the usual markings and attachments. Text block clean and unmarked. Tight binding.
Editore: Institute of Behavioral Science, University of Colorado, 1975
Da: Riverby Books, Fredericksburg, VA, U.S.A.
Soft cover. Condizione: Very Good. Soft cover, 114 pages. Very good condition, no damage to pages or cover. Cover shows very minimal signs of wear. Binding is square and tight. No writing or markings of any kind.