De Leon, H. M., Jr, & De Leon, H. S. (1993). Comments and cases on partnership, agency and trusts (1993 ed.). Rex Book Store.
Lua i Stíl Chicago (17ú heag.)De Leon, Hector M., Jr, agus Hector S. De Leon. Comments and Cases on Partnership, Agency and Trusts. 1993 ed. Manila: Rex Book Store, 1993.
Lua MLA (9ú heag.)De Leon, Hector M., Jr, agus Hector S. De Leon. Comments and Cases on Partnership, Agency and Trusts. 1993 ed. Rex Book Store, 1993.
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