Cita APA (7th ed.)

Martin, J., & Leben, J. (1989). Strategic information planning methodologies (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Martin, James, i Joe Leben. Strategic Information Planning Methodologies. 2nd ed. Englewood Cliffs, N.J: Prentice Hall, 1989.

Cita MLA (9th ed.)

Martin, James, i Joe Leben. Strategic Information Planning Methodologies. 2nd ed. Prentice Hall, 1989.