Duncan, Marilyn (1984). "Hormonal regulation of the annual pelage color cycle in the Djungarian hamster, Phodopus sungorus. I. Role of the gonads and the pituitary". The Journal of Experimental Zoology. 230 (1). Anthology The Journal of Experimental Zoology: 89–95. doi:10.1002/jez.1402300112. PMID6726149.
Duncan, Marilyn (1984). "Hormonal regulation of the annual pelage color cycle in the Djungarian hamster, Phodopus sungorus. I. Role of the gonads and the pituitary". The Journal of Experimental Zoology. 230 (1). Anthology The Journal of Experimental Zoology: 89–95. doi:10.1002/jez.1402300112. PMID6726149.