Cytowanie według stylu APA (wyd. 7)

Philippines & Nolledo, J. N. (1980). The Philippine law on obligations and contracts explained (9th ed.). National Book Store.

Cytowanie według stylu Chicago (wyd. 17)

Philippines i Jose N. Nolledo. The Philippine Law on Obligations and Contracts Explained. 9th ed. [Manila: National Book Store, 1980.

Cytowanie według stylu MLA (wyd. 9)

Philippines i Jose N. Nolledo. The Philippine Law on Obligations and Contracts Explained. 9th ed. National Book Store, 1980.