Jaffar A. Al-Tawfiq & Ziad A. Memish. The Hajj 2019 Vaccine Requirements and Possible New Challenges. Springer.
Chicago Style (17. basım) AtıfJaffar A. Al-Tawfiq ve Ziad A. Memish. The Hajj 2019 Vaccine Requirements and Possible New Challenges. Springer.
MLA (9th ed.) AtıfJaffar A. Al-Tawfiq ve Ziad A. Memish. The Hajj 2019 Vaccine Requirements and Possible New Challenges. Springer.
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