TIMOTHY TREGARTHEN AND LIBBY RITTENBERG2000 年出版725 页ISBN:
ENCUENTROS SECOND EDITION INSTRUCTOR'S EDITION
EMILY SPINELLI MARTA ROSSO-OLAUGHLIN1992 年出版559 页ISBN:0030558743
S jbarkehall thomas and Vjvann2011 年出版303 页ISBN:0409328626
NEAL D.BUFFALOE DALE V.FERGUSON2222 年出版702 页ISBN:0395296498