Darwin, C., Ekman, P., & Prodger, P. (1999). The expression of the emotions in man and animals: Charles Darwin (3d ed. / with an introd., afterword and comm. by Paul Ekman. Essay on the history of the illustrations by Philip Prodger.). Harper Collins Publ..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিDarwin, Charles, Paul Ekman, এবং Philip Prodger. The Expression of the Emotions in Man and Animals: Charles Darwin. 3d ed. / with an introd., afterword and comm. by Paul Ekman. Essay on the history of the illustrations by Philip Prodger. London: Harper Collins Publ., 1999.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিDarwin, Charles, et al. The Expression of the Emotions in Man and Animals: Charles Darwin. 3d ed. / with an introd., afterword and comm. by Paul Ekman. Essay on the history of the illustrations by Philip Prodger. Harper Collins Publ., 1999.