APA

Curtis N., . (1989). Illustrated dictionary of biology. Beirut: Librairie du liban.

Chicago

Curtis Neil, . 1989. Illustrated dictionary of biology. Beirut: Librairie du liban.

Harvard

Curtis N., . (1989). Illustrated dictionary of biology. Beirut: Librairie du liban.

MLA

Curtis Neil, . Illustrated dictionary of biology. Beirut: Librairie du liban. 1989.