Cita APA

Marvin C Alkin. (1992). Encyclopaedia of educational research (vol.2) (6th.). Macmillan.

Chicago Edition Citation

Marvin C Alkin. Encyclopaedia of Educational Research (vol.2). 6th. NewYork: Macmillan, 1992.

Cita MLA

Marvin C Alkin. Encyclopaedia of Educational Research (vol.2). 6th. Macmillan, 1992.