Habili, N. (1977). The Origin of Viruses. Plant Protection (Scientific Journal of Agriculture), 4(1), 45–55. https://doi.org/10.22055/ppr.1977.12875

Habili, N. "The Origin of Viruses", Plant Protection (Scientific Journal of Agriculture), 4, 1, 1977, 45–55. doi: 10.22055/ppr.1977.12875

Habili, N. (1977). 'The Origin of Viruses', Plant Protection (Scientific Journal of Agriculture), 4(1), pp. 45–55. doi: 10.22055/ppr.1977.12875

Habili, N., "The Origin of Viruses." Plant Protection (Scientific Journal of Agriculture), 4 1 (1977): 45–55, doi: 10.22055/ppr.1977.12875

Habili N. The Origin of Viruses. Plant Protection (Scientific Journal of Agriculture). 1977;4(1):45–55 (In Persian). doi: 10.22055/ppr.1977.12875