Sia, N. C. (1979). The new rental law: Questions and answers on batas pambansa blg. 25 in English and Pilipino. [publisher not identified].
Citazione stile Chigago Style (17a edizione)Sia, Norma Chionglo. The New Rental Law: Questions and Answers on Batas Pambansa Blg. 25 in English and Pilipino. [place of publication not identified]: [publisher not identified], 1979.
Citatione MLA (9a ed.)Sia, Norma Chionglo. The New Rental Law: Questions and Answers on Batas Pambansa Blg. 25 in English and Pilipino. [publisher not identified], 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.