APA (7e ed.) Bronvermelding

Ukene, D., & Barbero, A. S. (2014). Planning for Recreational Activities in Calabar City Centre. Obafemi Awolowo University.

Chicago (17e ed.) Bronvermelding

Ukene, Daniel, en A. S. Barbero. Planning for Recreational Activities in Calabar City Centre. Obafemi Awolowo University, 2014.

MLA (9e ed.) Bronvermelding

Ukene, Daniel, en A. S. Barbero. Planning for Recreational Activities in Calabar City Centre. Obafemi Awolowo University, 2014.

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