Brady RL, Dodson EJ, Dodson GG, Lange G, Davis SJ, Williams AF, Barclay AN (במאי 1993). "Crystal structure of domains 3 and 4 of rat CD4: relation to the NH2-terminal domains". Science. 260 (5110): 979–983. Bibcode:1993Sci...260..979B. doi:10.1126/science.8493535. PMID8493535.
Bernard A, Boumsell L, Hill C (1984). "Joint Report of the First International Workshop on Human Leucocyte Differentiation Antigens by the Investigators of the Participating Laboratories". In Bernard A, Boumsell L, Dausset J, Milstein C, Schlossman SF (eds.). Leucocyte typing: human leucocyte differentiation antigens detected by monoclonal antibodies: specification, classification, nomenclature. Berlin: Springer. pp.45–48. doi:10.1007/978-3-642-68857-7_3. ISBN0-387-12056-4.
Brady RL, Dodson EJ, Dodson GG, Lange G, Davis SJ, Williams AF, Barclay AN (במאי 1993). "Crystal structure of domains 3 and 4 of rat CD4: relation to the NH2-terminal domains". Science. 260 (5110): 979–983. Bibcode:1993Sci...260..979B. doi:10.1126/science.8493535. PMID8493535.
Brady RL, Dodson EJ, Dodson GG, Lange G, Davis SJ, Williams AF, Barclay AN (במאי 1993). "Crystal structure of domains 3 and 4 of rat CD4: relation to the NH2-terminal domains". Science. 260 (5110): 979–983. Bibcode:1993Sci...260..979B. doi:10.1126/science.8493535. PMID8493535.