Willis, R. J. B., Baildam, E., & Marshall, D. (2001). How to stay healthy. The Stanborough Press.
Chicago-čujuhus (17. p.)Willis, Richard J. B., Eileen Baildam, juo David Marshall. How to Stay Healthy. Grantham: The Stanborough Press, 2001.
MLA-čujuhus (9. p.)Willis, Richard J. B., et al. How to Stay Healthy. The Stanborough Press, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.