Sanger, R., Tippett, P., & Gavin, J. (1971). Xg groups and sex abnormalities in people of northern European ancestry.
استشهاد بنمط شيكاغوSanger, R., P. Tippett, و J. Gavin. Xg Groups and Sex Abnormalities in People of Northern European Ancestry. 1971.
MLA استشهادSanger, R., P. Tippett, و J. Gavin. Xg Groups and Sex Abnormalities in People of Northern European Ancestry. 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.