Gaya APA

Bowden, J. (2010). The most effective ways to live longer : The surprising unbiased truth about what you should do to prevent disease, feel great, and have optimum health and longevity . United states of America: Quayside Publishing Group.

Gaya MLA

Bowden, Jonny. "The most effective ways to live longer : The surprising unbiased truth about what you should do to prevent disease, feel great, and have optimum health and longevity". United states of America: Quayside Publishing Group, 2010. Text.