De Leon, H. S., & De Leon, H. M. J. (2019). Comments and cases on obligations and contracts (Seventh edition.). Rex Book Store.
Chicago-стиль цитированияDe Leon, Hector S., and Hector M. Jr De Leon. Comments and Cases on Obligations and Contracts. Seventh edition. Manila: Rex Book Store, 2019.
MLA-цитированиеDe Leon, Hector S., and Hector M. Jr De Leon. Comments and Cases on Obligations and Contracts. Seventh edition. Rex Book Store, 2019.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.