APA Style
Sobrepeña, A, I, C. (1998).
Business for all series 2 George S.K. Ty .
Manila, Philippines:
De la salle university Press Inc..
MLA Style
Sobrepeña, Anna, Isabel, C..
"Business for all series 2 George S.K. Ty".
Manila, Philippines:
De la salle university Press Inc.,
1998.
Text.