APA (7e ed.) Bronvermelding

Cruz, I. A., & Cruz, C. L. (2020). International law (2020 edition.). Central Book Supply, Inc.

Chicago (17e ed.) Bronvermelding

Cruz, Isagani A., en Carlo L. Cruz. International Law. 2020 edition. Quezon City: Central Book Supply, Inc, 2020.

MLA (9e ed.) Bronvermelding

Cruz, Isagani A., en Carlo L. Cruz. International Law. 2020 edition. Central Book Supply, Inc, 2020.