APA-čujuhus (7. p.)
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.
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