APA Style
Books, M.
().
Digit Value Cards: 39 kartu (kode MM2 0028)
(
1st edition)
.
Singapore:
Mentari Books.
MLA Style
Books, Mentari.
"Digit Value Cards: 39 kartu (kode MM2 0028)".
1st edition
Singapore:
Mentari Books,
.
Reference.