Philippines & Nolledo, J. N. (1980). The Philippine law on obligations and contracts explained (9th ed.). National Book Store.
芝加哥风格引文Philippines 与 Jose N. Nolledo. The Philippine Law on Obligations and Contracts Explained. 9th ed. [Manila: National Book Store, 1980.
MLA引文Philippines 与 Jose N. Nolledo. The Philippine Law on Obligations and Contracts Explained. 9th ed. National Book Store, 1980.
警告：这些引文格式不一定是100％准确.