Sell, buy or rent Robert J. Gregory textbooks

Psychological Testing: History, Principles and Applications (7th Edition)

by Gregory, Robert J.
ISBN-13: 9780205959259
ISBN-10: 0205959253
Edition: 7
Publication date: 2013
Publisher: Pearson
Format: Hardcover 648 pages

Psychological Testing: History, Principles and Applications, Updated Edition -- Books a la Carte (7th Edition)

by Gregory, Robert J.
ISBN-13: 9780134002989
ISBN-10: 0134002989
Edition: 7
Publication date: 2015
Publisher: Pearson
Format: Loose Leaf 480 pages