Citazione Stile APA (7a Edizione)

Ulep, M. C., & Ulep, P. M. C. (2017). Hornbook rules on the dangerous drugs law (2017 edition.). Central Book Supply.

Citazione stile Chigago Style (17a edizione)

Ulep, Mauricio C., e Philip Maurice C. Ulep. Hornbook Rules on the Dangerous Drugs Law. 2017 edition. Quezon City: Central Book Supply, 2017.

Citatione MLA (9a ed.)

Ulep, Mauricio C., e Philip Maurice C. Ulep. Hornbook Rules on the Dangerous Drugs Law. 2017 edition. Central Book Supply, 2017.