Gaya APA

Hoffmann, L. et al (2013). Applied Calculus for Business, Economics, and the Social and Life Sciences eleventh edition (Eleventh Edition). USA: The MC Graw Hill Companies.

Gaya MLA

Hoffmann, Laurence. et al. "Applied Calculus for Business, Economics, and the Social and Life Sciences eleventh edition". Eleventh Edition USA: The MC Graw Hill Companies, 2013. Text.