Summers, D. C. (1997). Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall.
Chicago Style (17th ed.) CitationSummers, Donna C.S. Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall, 1997.
MLA引文Summers, Donna C.S. Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall, 1997.
警告:這些引文格式不一定是100%准確.