APA Style
Sani, R, A. (2019).
Pembelajaran Berbasis HOTS (Higher Order Thinking Skills) (cet. 1).
Tangerang:
Tira Smart.
MLA Style
Sani, Ridwan, Abdullah.
"Pembelajaran Berbasis HOTS (Higher Order Thinking Skills)".
cet. 1
Tangerang:
Tira Smart,
2019.
Buku SMP Athalia.