Phillips, D., & Sheerin, S. (1991). Signature elementary: Students' book. NelSon, U.K: [s.n].
Chicago Style CitationPhillips, Diane, and Susan Sheerin. Signature Elementary: Students' Book. NelSon, U.K: [s.n], 1991.
MLA CitationPhillips, Diane, and Susan Sheerin. Signature Elementary: Students' Book. NelSon, U.K: [s.n], 1991.
Warning: These citations may not always be 100% accurate.