Cita APA (7th ed.)

Einstein, G. O. (1987). Learning to use SPSSx. Prentice-Hall.

Cita Chicago (17th ed.)

Einstein, Gilles O. Learning to Use SPSSx. Englewood Cliffs, N.J: Prentice-Hall, 1987.

Cita MLA (9th ed.)

Einstein, Gilles O. Learning to Use SPSSx. Prentice-Hall, 1987.