Citazione Stile APA (7a Edizione)

(1964). Primary geography for Singapore (1. publ.). Far Eastern Publ.

Citazione stile Chigago Style (17a edizione)

Primary Geography for Singapore. 1. publ. Singapore [u.a.]: Far Eastern Publ, 1964.

Citatione MLA (9a ed.)

Primary Geography for Singapore. 1. publ. Far Eastern Publ, 1964.