Brooker Robert J., Graham Linda E., Stiling Peter D., & Widmaier Eric P. (2011). Biology (Second edition.). AUWSF.
Chicago-čujuhus (17. p.)Brooker Robert J., Graham Linda E., Stiling Peter D., juo Widmaier Eric P. Biology. Second edition. Boston: AUWSF, 2011.
MLA-čujuhus (9. p.)Brooker Robert J., et al. Biology. Second edition. AUWSF, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.