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Lua i Stíl Chicago (17ú heag.)Cruz, Wilfrido D. An Environmental-demographic Model of Techno-institutional Change in Transitional Economics. College, Laguna: College Development Economics and Management, University of the Philippines at Los Banos, 1983.
Lua MLA (9ú heag.)Cruz, Wilfrido D. An Environmental-demographic Model of Techno-institutional Change in Transitional Economics. College Development Economics and Management, University of the Philippines at Los Banos, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.