TY  - BOOK
AU  - Petri,Herbert L.
AU  - Govern,John M.
TI  - Motivation: theory, research and application 
SN  - 9781111841096 (hbk.) 
PY  - 2013///.
CY  - Belmont, CA
PB  - Wadsworth, Cengage Learning
KW  - Motivation (Psychology)
N1  - Includes bibliographical references (p. 399-446) and indexes.
ER  -