Gaya APA
ANDIANI, A, A. (2008).
Mathematic workbook lower secondary school grade 2 semester 2 .
Singapore:
Marshal Cavendis.
Gaya MLA
ANDIANI, Aris, Andiani.
"Mathematic workbook lower secondary school grade 2 semester 2".
Singapore:
Marshal Cavendis,
2008.
Text.