APA-čujuhus (7. p.)
Cook, E. P., Gaston, B. E., & Bashir, H. (2012). Understanding people in context: The ecological perspective in counseling. American Counseling Association.
Chicago-čujuhus (17. p.)
Cook, Ellen Piel, Bonny E. Gaston, juo Huma Bashir. Understanding People in Context: The Ecological Perspective in Counseling. Alexandria, Virginia: American Counseling Association, 2012.
MLA-čujuhus (9. p.)
Cook, Ellen Piel, et al. Understanding People in Context: The Ecological Perspective in Counseling. American Counseling Association, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.