Putra, H. H., Wibowo, H., Untari, T., & Kurniasih, K. (2012). A Study of Macroscopic and Microscopic Lesions of Chicken Embryos Infected by Virulent Newcastle Disease Virus Field Isolates. Fakultas Kedokteran Hewan Universitas Gadjah Mada bekerjasama dengan PB PDHI.
Chicago Style (17. basım) AtıfPutra, Hamdu Hamjaya, Haryadi Wibowo, Tri Untari, ve Kurniasih Kurniasih. A Study of Macroscopic and Microscopic Lesions of Chicken Embryos Infected by Virulent Newcastle Disease Virus Field Isolates. Fakultas Kedokteran Hewan Universitas Gadjah Mada bekerjasama dengan PB PDHI, 2012.
MLA (8th ed.) AtıfPutra, Hamdu Hamjaya, et al. A Study of Macroscopic and Microscopic Lesions of Chicken Embryos Infected by Virulent Newcastle Disease Virus Field Isolates. Fakultas Kedokteran Hewan Universitas Gadjah Mada bekerjasama dengan PB PDHI, 2012.