APA

Ettlin W. A., . (1982). WordStar made easy. Berkeley, Calif: Osborne/McGraw-Hill.

Chicago

Ettlin Walter A, . 1982. WordStar made easy. Berkeley, Calif: Osborne/McGraw-Hill.

Harvard

Ettlin W. A., . (1982). WordStar made easy. Berkeley, Calif: Osborne/McGraw-Hill.

MLA

Ettlin Walter A, . WordStar made easy. Berkeley, Calif: Osborne/McGraw-Hill. 1982.