APA ציטוט

Roffey, M., & Maureen Roffey. (1994). Busy babies. LonDon: Walker Books.

Trích dẫn kiểu Chicago

Roffey, Maureen, và Maureen Roffey. Busy Babies. LonDon: Walker Books, 1994.

ציטוט MLA

Roffey, Maureen, và Maureen Roffey. Busy Babies. LonDon: Walker Books, 1994.