APA

Keithley E. M., Schreiner P. J., . (1980). A manual of style for the preparation of papers & reports: business and management applications. Cincinnati: South-western Pub. Co.

Chicago

Keithley Erwin M, Schreiner Philip J, . 1980. A manual of style for the preparation of papers & reports: business and management applications. Cincinnati: South-western Pub. Co.

Harvard

Keithley E. M., Schreiner P. J., . (1980). A manual of style for the preparation of papers & reports: business and management applications. Cincinnati: South-western Pub. Co.

MLA

Keithley Erwin M, Schreiner Philip J, . A manual of style for the preparation of papers & reports: business and management applications. Cincinnati: South-western Pub. Co. 1980.