Gaya APA

SARI, L, A., HUTAGAOL, Y. (2009). Debt to equity ratio, degree of operating leverage stock beta and stock returns of food and beverage . Jakarta: Binus Business School.

Gaya MLA

SARI, Lusia, Astra., HUTAGAOL, Yanthi. "Debt to equity ratio, degree of operating leverage stock beta and stock returns of food and beverage". Jakarta: Binus Business School, 2009. Artikel.