Transboundary breed: Highland. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed November 2022.
Serif, S. M.; Johnson, H. D.; Lippincott, A. C. «The effects of heat exposure (31 °C) on zebu and Scottish Highland cattle». International Journal of Biometeorology, 23, 1, març 1979, pàg. 9–14. Bibcode: 1979IJBm...23....9S. DOI: 10.1007/BF01553372. PMID: 500248.
Serif, S. M.; Johnson, H. D.; Lippincott, A. C. «The effects of heat exposure (31 °C) on zebu and Scottish Highland cattle». International Journal of Biometeorology, 23, 1, març 1979, pàg. 9–14. Bibcode: 1979IJBm...23....9S. DOI: 10.1007/BF01553372. PMID: 500248.
Serif, S. M.; Johnson, H. D.; Lippincott, A. C. «The effects of heat exposure (31 °C) on zebu and Scottish Highland cattle». International Journal of Biometeorology, 23, 1, març 1979, pàg. 9–14. Bibcode: 1979IJBm...23....9S. DOI: 10.1007/BF01553372. PMID: 500248.