APA-čujuhus (7. p.)
Perkins, J. A. (1966). The university in transition.
Chicago-čujuhus (17. p.)
Perkins, James Alfred. The University in Transition. 1966.
MLA-čujuhus (9. p.)
Perkins, James Alfred. The University in Transition. 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.