APA Style

Kartawiria, Irvan S., Marpaung, Abdullah Muzi, Pranatri, Felicia. (2012). The Study of formulation of effervescence on butterfly pea petals extract . : Swiss German University.

Chicago Style

Kartawiria, Irvan S., Marpaung, Abdullah Muzi, Pranatri, Felicia. The Study of formulation of effervescence on butterfly pea petals extract. : Swiss German University, 2012. print.

MLA Style

Kartawiria, Irvan S., Marpaung, Abdullah Muzi, Pranatri, Felicia. The Study of formulation of effervescence on butterfly pea petals extract. : Swiss German University, 2012. print.

Turabian Style

Kartawiria, Irvan S., Marpaung, Abdullah Muzi, Pranatri, Felicia. The Study of formulation of effervescence on butterfly pea petals extract. : Swiss German University, 2012. print.