Cita APA

ASTIN, A. W. (1991). Four critical years. Jossey Bass.

Chicago Style (17th ed.) Citation

ASTIN, Alexander W. Four Critical Years. Jossey Bass, 1991.

Cita MLA

ASTIN, Alexander W. Four Critical Years. Jossey Bass, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.