APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

Etura, Joyce Ezekiel, Rose A. Amaechi, Josephine O. Akpotuzor, en 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.

MLA (9e ed.) Bronvermelding

Etura, 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.