Gaya APA

Sims, S, B, J, K, A, R. (2020). Theory of Knowledege : For the IB Diploma (3rd edition) (3). London: Pearson Eucation.

Gaya MLA

Sims, Sue, Bastian,, Julian, Kitching,, And, Ric. "Theory of Knowledege : For the IB Diploma (3rd edition)". 3 London: Pearson Eucation, 2020. Text.