Cita APA (7th ed.)

Hergert, R., & Hergert, D. (1983). Doing business with Pascal. Sybex.

Cita Chicago (17th ed.)

Hergert, Richard, i Douglas Hergert. Doing Business with Pascal. Berkeley: Sybex, 1983.

Cita MLA (8th ed.)

Hergert, Richard, i Douglas Hergert. Doing Business with Pascal. Sybex, 1983.