TY  - BOOK
AU  - Ratti, J. S.
AU  - McWaters, Marcus
TI  - Precalculus essentials: annotated instructor's edition 
SN  - 9780321816979
AV  - QA 154.3 .R38 2014
PY  - 2014///
CY  - Boston
PB  - Pearson
KW  - Algebra
KW  - Trigonometry
N1  - Include bibliography and index
ER  -