Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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