Philippines. University. Institute for Small-Scale Industries & Regional Industrial Development Executives. (1970). Economic survey of the municipality of Montalban: By Regional Industrial Development Executives. Regional Industrial Development Executives.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. University. Institute for Small-Scale Industries और Regional Industrial Development Executives. Economic Survey of the Municipality of Montalban: By Regional Industrial Development Executives. Quezon City: Regional Industrial Development Executives, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. University. Institute for Small-Scale Industries और Regional Industrial Development Executives. Economic Survey of the Municipality of Montalban: By Regional Industrial Development Executives. Regional Industrial Development Executives, 1970.