Ferrer, M. P. L., & Elumba, P. S. Fit-testing procedures of selected manufacturing companies in Metro Manila.
芝加哥风格引文Ferrer, Mary Patrick Lorenzo, 与 Patricia Santos Elumba. Fit-testing Procedures of Selected Manufacturing Companies in Metro Manila. 2008.
MLA引文Ferrer, Mary Patrick Lorenzo, 与 Patricia Santos Elumba. Fit-testing Procedures of Selected Manufacturing Companies in Metro Manila.
警告：这些引文格式不一定是100％准确.