APA

Denyer J. . C., . (1976). O . M . and management services. London: elbs & macdonald & evans ltd.

Chicago

Denyer J C, . 1976. O . M . and management services. London: elbs & macdonald & evans ltd.

Harvard

Denyer J. . C., . (1976). O . M . and management services. London: elbs & macdonald & evans ltd.

MLA

Denyer J C, . O . M . and management services. London: elbs & macdonald & evans ltd. 1976.