APA Style

Marpaung, Abdullah Muzi, Pasaribu, Nani, Indriyani, Fanny. (2012). The Study of stability of antioxidant activity in butterfly pea extract syrup . : Swiss German University.

Chicago Style

Marpaung, Abdullah Muzi, Pasaribu, Nani, Indriyani, Fanny. The Study of stability of antioxidant activity in butterfly pea extract syrup. : Swiss German University, 2012. print.

MLA Style

Marpaung, Abdullah Muzi, Pasaribu, Nani, Indriyani, Fanny. The Study of stability of antioxidant activity in butterfly pea extract syrup. : Swiss German University, 2012. print.

Turabian Style

Marpaung, Abdullah Muzi, Pasaribu, Nani, Indriyani, Fanny. The Study of stability of antioxidant activity in butterfly pea extract syrup. : Swiss German University, 2012. print.