APA aipamena

Ziefert, H. Sisters Are For Making Sand Castles. Puffin Books.

Chicago Style aipamena

Ziefert, Harriet. Sisters Are For Making Sand Castles. Puffin Books.

MLA aipamena

Ziefert, Harriet. Sisters Are For Making Sand Castles. Puffin Books.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.