Cita APA (7th ed.)

Nono, G. (2006). The 2 in 1 series. Sony BMG Music Entertainment Philippines Inc.

Cita Chicago (17th ed.)

Nono, Grace. The 2 in 1 Series. Philippines: Sony BMG Music Entertainment Philippines Inc, 2006.

Cita MLA (9th ed.)

Nono, Grace. The 2 in 1 Series. Sony BMG Music Entertainment Philippines Inc, 2006.