APA (7e ed.) Bronvermelding

el tigi, a. e. d. (1964). determining investment priority ratings. the institute of national planning.

Chicago (17e ed.) Bronvermelding

el tigi, aziz el din. Determining Investment Priority Ratings. cairo: the institute of national planning, 1964.

MLA (9e ed.) Bronvermelding

el tigi, aziz el din. Determining Investment Priority Ratings. the institute of national planning, 1964.

Let op: Deze citaties zijn niet altijd 100% accuraat.