El-Zein, A., El-Awar, F., & Faris, R. (1979). Infectious laryngotracheitis a new threat for the Lebanese poultry industry. Faculty of Agricultural and Food Sciences, American University of Beirut.
Citação do estilo Chicago (17ª ed.)El-Zein, A., F. El-Awar, e Ramona Faris. Infectious Laryngotracheitis a New Threat for the Lebanese Poultry Industry. Beirut, Lebanon: Faculty of Agricultural and Food Sciences, American University of Beirut, 1979.
Citação MLA (8ª ed.)El-Zein, A., et al. Infectious Laryngotracheitis a New Threat for the Lebanese Poultry Industry. Faculty of Agricultural and Food Sciences, American University of Beirut, 1979.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.