Sacopla, A. M., Floreindo, J., & Pacquiao, M. J. Regional concentration of small and medium manufacturing industries in the Philippines 1978 and 1983.
芝加哥风格引文Sacopla, Alma M., Jean Floreindo, 与 Ma. Julieta Pacquiao. Regional Concentration of Small and Medium Manufacturing Industries in the Philippines 1978 and 1983.
MLA引文Sacopla, Alma M., et al. Regional Concentration of Small and Medium Manufacturing Industries in the Philippines 1978 and 1983.
警告：这些引文格式不一定是100％准确.