(1962). Advanced placement program: Course descriptions.
Chicago-čujuhus (17. p.)Advanced Placement Program: Course Descriptions. 1962.
MLA-čujuhus (9. p.)Advanced Placement Program: Course Descriptions. 1962.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.