Philippine Statistical Association-Agribusiness System for Statistical Information Services and Technology. (1995). Philippine major hog/sow. Philippine Statistical Association (PSA)-Agribusiness System for Statistical Information Services and Technology (ASSIST).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippine Statistical Association-Agribusiness System for Statistical Information Services and Technology. Philippine Major Hog/sow. Quezon City: Philippine Statistical Association (PSA)-Agribusiness System for Statistical Information Services and Technology (ASSIST), 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippine Statistical Association-Agribusiness System for Statistical Information Services and Technology. Philippine Major Hog/sow. Philippine Statistical Association (PSA)-Agribusiness System for Statistical Information Services and Technology (ASSIST), 1995.