APA-čujuhus (7. p.)
Martz, G., & Robinson, A. Cracking the GMAT Premium: 2015. Random House.
Chicago-čujuhus (17. p.)
Martz, Geoff, juo Adam Robinson. Cracking the GMAT Premium: 2015. Nueva York, EUA: Random House.
MLA-čujuhus (9. p.)
Martz, Geoff, juo Adam Robinson. Cracking the GMAT Premium: 2015. Random House.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.