Cita APA (7a ed.)

Ettlin, W. A. (1991). Wordstar 6.0 a su alcance. McGraw-Hill.

Cita Chicago Style (17a ed.)

Ettlin, Walter A. Wordstar 6.0 a Su Alcance. Madrid: McGraw-Hill, 1991.

Cita MLA (8a ed.)

Ettlin, Walter A. Wordstar 6.0 a Su Alcance. McGraw-Hill, 1991.