Cita APA (7a ed.)

SHIPMAN CARL. (1984). HOW TO PROGRAM YOUR IBM PC COLOR & GRAPHICS. H P BOOKS.

Cita Chicago Style (17a ed.)

SHIPMAN CARL. HOW TO PROGRAM YOUR IBM PC COLOR & GRAPHICS. U.S.A: H P BOOKS, 1984.

Cita MLA (9a ed.)

SHIPMAN CARL. HOW TO PROGRAM YOUR IBM PC COLOR & GRAPHICS. H P BOOKS, 1984.