Niguidula, J. E., & Villanueva, R. B. An evaluation of the Philippine Virginia Tobacco Administation.
芝加哥风格引文Niguidula, Joel E., 与 Raul B. Villanueva. An Evaluation of the Philippine Virginia Tobacco Administation.
MLA引文Niguidula, Joel E., 与 Raul B. Villanueva. An Evaluation of the Philippine Virginia Tobacco Administation.
警告：这些引文格式不一定是100％准确.