Gaya APA

Byrd, L. et al (2021). Cambridge Lower Secondary: Mathematics Learner's Book 7 (ed. 2). United Kingom (UK): Cambridge University Press.

Gaya MLA

Byrd, Lynn. et al. "Cambridge Lower Secondary: Mathematics Learner's Book 7". ed. 2 United Kingom (UK): Cambridge University Press, 2021. Text.