Sumulong, J., Aguinaldo, E., & Alejandrino, J. M. (1937). Briefs on economic problems of the Philippines. [s.n.].
Lua i Stíl Chicago (17ú heag.)Sumulong, Juan, Emilio Aguinaldo, agus Jose Magdangal Alejandrino. Briefs on Economic Problems of the Philippines. Manila: [s.n.], 1937.
Lua MLA (8ú heag.)Sumulong, Juan, et al. Briefs on Economic Problems of the Philippines. [s.n.], 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.