Παραπομπή APA

Shah, M., Khan, M. K., Shakeel, S., Mahmood, F., Sher, Z., Sarwar, M. B., & Sumrin, A. (2011). Resistance of polio to its eradication in Pakistan. BioMed Central.

Παραπομπή Chicago Style

Shah, Masaud, Muhammad Kazim Khan, Saleha Shakeel, Faiza Mahmood, Zunaira Sher, Muhammad Bilal Sarwar, και Aleena Sumrin. Resistance of Polio to Its Eradication in Pakistan. BioMed Central, 2011.

Παραπομπή MLA

Shah, Masaud, et al. Resistance of Polio to Its Eradication in Pakistan. BioMed Central, 2011.

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