APA Style

S., D, L, H., Jr., D, L, H, M. (c2011). The national internal revenue code annotated (9th ed.). Manila: Rex Book Store.

MLA Style

S., De, Leon,, Hector., Jr., De, Leon,, Hector, M.,. "The national internal revenue code annotated". 9th ed. Manila: Rex Book Store, c2011. Art Original.