APA aipamena

Perez, R. (2014). Yaya improvement. Smart Parenting.

Chicago Style aipamena

Perez, Rachel. "Yaya Improvement." Smart Parenting 2014.

MLA aipamena

Perez, Rachel. "Yaya Improvement." Smart Parenting, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.