APA-čujuhus (7. p.)
Martin, M., & Martin, M. (2000). Chapter 2. performance at international benchmarks.
Chicago-čujuhus (17. p.)
Martin, Michael, juo Michael Martin. Chapter 2. Performance at International Benchmarks. 2000.
MLA-čujuhus (9. p.)
Martin, Michael, juo Michael Martin. Chapter 2. Performance at International Benchmarks. 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.