APA

godman A., . (1981). Longman illustrated science Dictionary. Beirut: Longman.

Chicago

godman Arthur, . 1981. Longman illustrated science Dictionary. Beirut: Longman.

Harvard

godman A., . (1981). Longman illustrated science Dictionary. Beirut: Longman.

MLA

godman Arthur, . Longman illustrated science Dictionary. Beirut: Longman. 1981.