Gaya APA
Crowdis, D, G. et al (1976).
Calculus for business, biology, and the social sciences (2nd ed).
London:
Collier Macmillan.
Gaya MLA
Crowdis, David, G.. et al.
"Calculus for business, biology, and the social sciences".
2nd ed
London:
Collier Macmillan,
1976.
Text.