APA

Stern N. B., Stern R. A., . (1990). Computing applications: using DOS, Wordperfect, Lotus 1-2-3, and dBase IV. New York: Wiley.

Chicago

Stern Nancy B, Stern Robert A, . 1990. Computing applications: using DOS, Wordperfect, Lotus 1-2-3, and dBase IV. New York: Wiley.

Harvard

Stern N. B., Stern R. A., . (1990). Computing applications: using DOS, Wordperfect, Lotus 1-2-3, and dBase IV. New York: Wiley.

MLA

Stern Nancy B, Stern Robert A, . Computing applications: using DOS, Wordperfect, Lotus 1-2-3, and dBase IV. New York: Wiley. 1990.