APA

Lock D., Oon، Simon, . (2004). A Trip to the Library. London: Dorling Kindersley.

Chicago

Lock Deborah, Oon، Simon, . 2004. A Trip to the Library. London: Dorling Kindersley.

Harvard

Lock D., Oon، Simon, . (2004). A Trip to the Library. London: Dorling Kindersley.

MLA

Lock Deborah, Oon، Simon, . A Trip to the Library. London: Dorling Kindersley. 2004.