APA

Al - Hachim G. M., . (1999). Environmental Toxicology. Jeddah: Department of Environmental Sciences.

Chicago

Al - Hachim Ghazi M, . 1999. Environmental Toxicology. Jeddah: Department of Environmental Sciences.

Harvard

Al - Hachim G. M., . (1999). Environmental Toxicology. Jeddah: Department of Environmental Sciences.

MLA

Al - Hachim Ghazi M, . Environmental Toxicology. Jeddah: Department of Environmental Sciences. 1999.