Nair, A. P., & Lewis, G. E. D. (1968). Peoples of Singapore and its neighbours (1. publ.). Longmans Malaysia.
Citazione stile Chigago Style (17a edizione)Nair, A. P., e Gerwyn Elidor David Lewis. Peoples of Singapore and Its Neighbours. 1. publ. Kuala Lumpur [u.a.]: Longmans Malaysia, 1968.
Citatione MLA (9a ed.)Nair, A. P., e Gerwyn Elidor David Lewis. Peoples of Singapore and Its Neighbours. 1. publ. Longmans Malaysia, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.