Pisano, Leonardo (2002). 《Fibonacci's Liber abaci. A translation into modern English of Leonardo Pisano's Book of calculation》 (영어). 번역 Sigler, Laurence E.. Laurence E. Sigler 서론, 주, 참고 문헌. Sources and Studies in the History of Mathematics and Physical Sciences. 뉴욕: Springer-Verlag. doi:10.1007/978-1-4613-0079-3. ISBN978-0-387-95419-6. ISSN2196-8810. MR1923794. Zbl1032.01046.
Pisano, Leonardo (2002). 《Fibonacci's Liber abaci. A translation into modern English of Leonardo Pisano's Book of calculation》 (영어). 번역 Sigler, Laurence E.. Laurence E. Sigler 서론, 주, 참고 문헌. Sources and Studies in the History of Mathematics and Physical Sciences. 뉴욕: Springer-Verlag. doi:10.1007/978-1-4613-0079-3. ISBN978-0-387-95419-6. ISSN2196-8810. MR1923794. Zbl1032.01046.
Pisano, Leonardo (2002). 《Fibonacci's Liber abaci. A translation into modern English of Leonardo Pisano's Book of calculation》 (영어). 번역 Sigler, Laurence E.. Laurence E. Sigler 서론, 주, 참고 문헌. Sources and Studies in the History of Mathematics and Physical Sciences. 뉴욕: Springer-Verlag. doi:10.1007/978-1-4613-0079-3. ISBN978-0-387-95419-6. ISSN2196-8810. MR1923794. Zbl1032.01046.
Pisano, Leonardo (2002). 《Fibonacci's Liber abaci. A translation into modern English of Leonardo Pisano's Book of calculation》 (영어). 번역 Sigler, Laurence E.. Laurence E. Sigler 서론, 주, 참고 문헌. Sources and Studies in the History of Mathematics and Physical Sciences. 뉴욕: Springer-Verlag. doi:10.1007/978-1-4613-0079-3. ISBN978-0-387-95419-6. ISSN2196-8810. MR1923794. Zbl1032.01046.