Gaya APA
Rees, C, M, &, J. (2021).
Cambridge Primary Mathematics Learner's Book 1 (Cetakan kedua).
England:
Cambridge University Press.
Gaya MLA
Rees, Cherri, Moseley, &, Janet.
"Cambridge Primary Mathematics Learner's Book 1".
Cetakan kedua
England:
Cambridge University Press,
2021.
.