Παραπομπή σε μορφή APA (7η εκδ.)

Al-Essa, R. K., Al-Rubaie, M., Walker, S., & Salek, S. (2015). Pharmaceutical Regulatory Environment: Challenges and Opportunities in the Gulf Region. Springer International Publishing : Imprint: Adis.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Al-Essa, Reem K., Mohammed Al-Rubaie, Stuart Walker, και Sam Salek. Pharmaceutical Regulatory Environment: Challenges and Opportunities in the Gulf Region. Cham: Springer International Publishing : Imprint: Adis, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Al-Essa, Reem K., et al. Pharmaceutical Regulatory Environment: Challenges and Opportunities in the Gulf Region. Springer International Publishing : Imprint: Adis, 2015.