APA

Challoner J., Drew H., . (1992). My first batteries & Magnets Book. London: Dorling Kindersley.

Chicago

Challoner Jack, Drew Helen, . 1992. My first batteries & Magnets Book. London: Dorling Kindersley.

Harvard

Challoner J., Drew H., . (1992). My first batteries & Magnets Book. London: Dorling Kindersley.

MLA

Challoner Jack, Drew Helen, . My first batteries & Magnets Book. London: Dorling Kindersley. 1992.