Bear, Mark F.; Barry W. Connors; Michael A. Paradiso Neuroscience: Exploring the Brain. Lippincott Williams & Wilkins, 2006. ISBN 978-0-7817-6003-4. «neuroscience exploring the brain.» p. 264 ... there has not yet been any hard evidence for human pheromones that might [change] sexual attraction (for members of either sex) [naturally]
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«National Post», 11-10-2007. Arxivat de l'original el 2007-10-11. [Consulta: 4 setembre 2021].