Challagalla, G. Proactive postsales service: When and why does it pay off? Journal of marketing.
Chicago Style (17th ed.) CitationChallagalla, Goutam. "Proactive Postsales Service: When and Why Does It Pay off?" Journal of Marketing .
MLA (9th ed.) CitationChallagalla, Goutam. "Proactive Postsales Service: When and Why Does It Pay off?" Journal of Marketing, .
Warning: These citations may not always be 100% accurate.