APA

Cook J., Forter M. (. )., . (1990). Mounain Bikes. London: Usborne.

Chicago

Cook Janet, Forter Mary (Design ), . 1990. Mounain Bikes. London: Usborne.

Harvard

Cook J., Forter M. (. )., . (1990). Mounain Bikes. London: Usborne.

MLA

Cook Janet, Forter Mary (Design ), . Mounain Bikes. London: Usborne. 1990.