"Psoas major". Bovine Myology & Muscle Profiling. University of Nebraska-Lincoln. Archived from the original on 12 August 2011. Retrieved 4 April 2011.
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"Beef Cuts Chart". Beef Up - Beef South Africa (Beef SA). Archived from the original on 5 May 2014. Retrieved 4 May 2014.
"Psoas major". Bovine Myology & Muscle Profiling. University of Nebraska-Lincoln. Archived from the original on 12 August 2011. Retrieved 4 April 2011.