Gaya APA
Althaf,M.Si.,MP, D, R. (2020).
Critical Thinking Skill and Conceptual Understanding .
jogjakarta:
KBM INDONESIA.
Gaya MLA
Althaf,M.Si.,MP, Dr., Rosyid.
"Critical Thinking Skill and Conceptual Understanding".
jogjakarta:
KBM INDONESIA,
2020.
Text.