Shultz, M. (2007). Comparing test searches in PubMed and Google Scholar. Medical Library Association.
Citação norma ChicagoShultz, Mary. Comparing Test Searches in PubMed and Google Scholar. Medical Library Association, 2007.
MLA引文Shultz, Mary. Comparing Test Searches in PubMed and Google Scholar. Medical Library Association, 2007.
警告:這些引文格式不一定是100%准確.