APA Style
CLELAND, D, I., KING, W, R. (1968).
system analysis and project management (Edition2).
United states of America:
McGraw-Hill.
MLA Style
CLELAND, DAVID, I.., KING, WILLIAM, R..
"system analysis and project management".
Edition2
United states of America:
McGraw-Hill,
1968.
BOOK.