Mariano, M. L. (2004). Mental math. UP Open University, Office of Academic Support & Instructional Services.
芝加哥风格引文Mariano, Ma. Luisa. Mental Math. Quezon City: UP Open University, Office of Academic Support & Instructional Services, 2004.
MLA引文Mariano, Ma. Luisa. Mental Math. UP Open University, Office of Academic Support & Instructional Services, 2004.
警告：这些引文格式不一定是100％准确.