Etura, J. E., Amaechi, R. A., Akpotuzor, J. O., & Okoroiwu, H. U. (2020). Demographics of Rhesus Phenotype of Blood Donors in Calabar: A Case Study of University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria. Hindawi Limited.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিEtura, Joyce Ezekiel, Rose A. Amaechi, Josephine O. Akpotuzor, এবং Henshaw Uchechi Okoroiwu. Demographics of Rhesus Phenotype of Blood Donors in Calabar: A Case Study of University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria. Hindawi Limited, 2020.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিEtura, Joyce Ezekiel, et al. Demographics of Rhesus Phenotype of Blood Donors in Calabar: A Case Study of University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria. Hindawi Limited, 2020.