APA (7e ed.) Bronvermelding

De Leon, H. S. (1977). Handbook on insurance and sales, with Insolvency law (1977 ed.). National Book Store.

Chicago (17e ed.) Bronvermelding

De Leon, Hector S. Handbook on Insurance and Sales, with Insolvency Law. 1977 ed. Manila: National Book Store, 1977.

MLA (9e ed.) Bronvermelding

De Leon, Hector S. Handbook on Insurance and Sales, with Insolvency Law. 1977 ed. National Book Store, 1977.