Citazione Stile APA (7a Edizione)

Balce, M. E. (2009). Life cycle of a white butterfly: Pupil's activities and teacher materials. UP NISMED.

Citazione stile Chigago Style (17a edizione)

Balce, Marina E. Life Cycle of a White Butterfly: Pupil's Activities and Teacher Materials. Diliman, Q. C: UP NISMED, 2009.

Citatione MLA (9a ed.)

Balce, Marina E. Life Cycle of a White Butterfly: Pupil's Activities and Teacher Materials. UP NISMED, 2009.