APA
Brown، Andrew, . (1997). Webster's Unified Wildlife Encycloopedia. Malaysia: Webster s Unifoed Inc،.
Chicago
Brown، Andrew, . 1997. Webster's Unified Wildlife Encycloopedia. Malaysia: Webster s Unifoed Inc،.
Harvard
Brown، Andrew, . (1997). Webster's Unified Wildlife Encycloopedia. Malaysia: Webster s Unifoed Inc،.
MLA
Brown، Andrew, . Webster's Unified Wildlife Encycloopedia. Malaysia: Webster s Unifoed Inc،. 1997.