Gaya APA

Norris, R., Wooster, M. (2020). Chemistry for Cambridge International AS 7 A Level (Practical Workbook) (Third Edition). United Kingdom: Cambridge University Press.

Gaya MLA

Norris, Roger., Wooster, Mike. "Chemistry for Cambridge International AS 7 A Level (Practical Workbook)". Third Edition United Kingdom: Cambridge University Press, 2020. Text.