Cita APA (7th ed.)

Belford, G. G. (1984). PASCAL. McGraw-Hill Book Co., Inc.

Cita Chicago (17th ed.)

Belford, Geneva G. PASCAL. New York: McGraw-Hill Book Co., Inc, 1984.

Cita MLA (9th ed.)

Belford, Geneva G. PASCAL. McGraw-Hill Book Co., Inc, 1984.