Gupta, R. (2020). Salesforce Platform App Builder Certification. Apress.
Trích dẫn kiểu ChicagoGupta, Rakesh. Salesforce Platform App Builder Certification. Apress, 2020.
MLA引文Gupta, Rakesh. Salesforce Platform App Builder Certification. Apress, 2020.
警告：这些引文格式不一定是100％准确.