Jaffar A. Al-Tawfiq & Ziad A. Memish. The Hajj 2019 Vaccine Requirements and Possible New Challenges. Springer.
Chicago Style (17th ed.) CitationJaffar A. Al-Tawfiq and Ziad A. Memish. The Hajj 2019 Vaccine Requirements and Possible New Challenges. Springer.
MLA (9th ed.) CitationJaffar A. Al-Tawfiq and Ziad A. Memish. The Hajj 2019 Vaccine Requirements and Possible New Challenges. Springer.
Warning: These citations may not always be 100% accurate.