APA
Hector S. De Leon and Hector M. De Leon, . (2016). The Philippine Negotiable Instruments Law (and Allied Laws) Annotated. Quezon City, Philippines: Rex Book Store.
Chicago
Hector S. De Leon and Hector M. De Leon, . 2016. The Philippine Negotiable Instruments Law (and Allied Laws) Annotated. Quezon City, Philippines: Rex Book Store.
Harvard
Hector S. De Leon and Hector M. De Leon, . (2016). The Philippine Negotiable Instruments Law (and Allied Laws) Annotated. Quezon City, Philippines: Rex Book Store.
MLA
Hector S. De Leon and Hector M. De Leon, . The Philippine Negotiable Instruments Law (and Allied Laws) Annotated. Quezon City, Philippines: Rex Book Store. 2016.