APA Style
G.Gummings, T., Worley, C, G. (1997).
ORGANIZATION DEVELOPMENT & Change (Edition 6).
United states of America:
South-Western College Publishing Thomson Learning.
MLA Style
G.Gummings, Thomas., Worley, Christopher, G..
"ORGANIZATION DEVELOPMENT & Change".
Edition 6
United states of America:
South-Western College Publishing Thomson Learning,
1997.
Text.