Cita APA (7th ed.)

Lorange, P., & Vancil, R. F. (1977). Strategic planning systems. Prentice-Hall.

Cita Chicago (17th ed.)

Lorange, Peter, i Richard F. Vancil. Strategic Planning Systems. Englewood Cliffs: Prentice-Hall, 1977.

Cita MLA (9th ed.)

Lorange, Peter, i Richard F. Vancil. Strategic Planning Systems. Prentice-Hall, 1977.