Gaya APA

Hammit, C, N, P, A, J, E. (1986). dBase III Plus Programmer's Reference A Sourcebook of Programmer Teckniques . USA: TAB BOOKS Inc. usa.

Gaya MLA

Hammit, Cary, N., Prague, And, James, E.. "dBase III Plus Programmer's Reference A Sourcebook of Programmer Teckniques". USA: TAB BOOKS Inc. usa, 1986. Text.