Adrienne. (1995). Spanish in 32 lessons. W. W. Norton & Company.
Cita Chicago Style (17a ed.)Adrienne. Spanish in 32 Lessons. W. W. Norton & Company, 1995.
Cita MLA (9a ed.)Adrienne. Spanish in 32 Lessons. W. W. Norton & Company, 1995.
警告：这些引文格式不一定是100％准确.