APA

Groves P., Harvey B., . (1997). Nick Dick and the Gorilla. London: Collins Educational.

Chicago

Groves Paul, Harvey Bob, . 1997. Nick Dick and the Gorilla. London: Collins Educational.

Harvard

Groves P., Harvey B., . (1997). Nick Dick and the Gorilla. London: Collins Educational.

MLA

Groves Paul, Harvey Bob, . Nick Dick and the Gorilla. London: Collins Educational. 1997.