Niguidula, J. E., & Villanueva, R. B. An evaluation of the Philippine Virginia Tobacco Administation.
Cita Chicago Style (17a ed.)Niguidula, Joel E., y Raul B. Villanueva. An Evaluation of the Philippine Virginia Tobacco Administation.
Cita MLA (9a ed.)Niguidula, Joel E., y Raul B. Villanueva. An Evaluation of the Philippine Virginia Tobacco Administation.
Precaución: Estas citas no son 100% exactas.