Caceci, Thomas. "Integument I: Skin". VM8054 Veterinary Histology Laboratory Exercises. Virginia–Maryland Regional College of Veterinary Medicine. Archived from the original on 13 May 2015. Retrieved 19 December 2012.
Taylor, Susan C. (1 February 2002). "Skin of color: Biology, structure, function, and implications for dermatologic disease". Journal of the American Academy of Dermatology. 46 (2, Supplement 2): S41 –S62. doi:10.1067/mjd.2002.120790. PMID11807469.
Taylor, Susan C. (1 February 2002). "Skin of color: Biology, structure, function, and implications for dermatologic disease". Journal of the American Academy of Dermatology. 46 (2, Supplement 2): S41 –S62. doi:10.1067/mjd.2002.120790. PMID11807469.
prenhall.com
cwx.prenhall.com
Neas, John F. "Development of the Integumentary System". In Martini, Frederic H.; Timmons, Michael J.; Tallitsch, Bob (eds.). Embryology Atlas (4th ed.). Benjamin Cumings. Archived from the original on 8 August 2012. Retrieved 17 December 2012.
Caceci, Thomas. "Integument I: Skin". VM8054 Veterinary Histology Laboratory Exercises. Virginia–Maryland Regional College of Veterinary Medicine. Archived from the original on 13 May 2015. Retrieved 19 December 2012.
web.archive.org
Neas, John F. "Development of the Integumentary System". In Martini, Frederic H.; Timmons, Michael J.; Tallitsch, Bob (eds.). Embryology Atlas (4th ed.). Benjamin Cumings. Archived from the original on 8 August 2012. Retrieved 17 December 2012.