Mercola, J., & Degen Pearsall, K. Take control of your health (2a ed.).
Chicago Style aipamenaMercola, Joseph, and Kendra Degen Pearsall. Take Control of Your Health. 2a ed.
MLA aipamenaMercola, Joseph, and Kendra Degen Pearsall. Take Control of Your Health. 2a ed.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.