Citazione Stile APA (7a Edizione)

Cromer, M. E. A comparative study of representative song books for use in the Christian education of the pre-school and primary child. [publisher not identified].

Citazione stile Chigago Style (17a edizione)

Cromer, Mary Elizabeth. A Comparative Study of Representative Song Books for Use in the Christian Education of the Pre-school and Primary Child. [Place of publication not identified]: [publisher not identified].

Citatione MLA (9a ed.)

Cromer, Mary Elizabeth. A Comparative Study of Representative Song Books for Use in the Christian Education of the Pre-school and Primary Child. [publisher not identified].

Attenzione: Queste citazioni potrebbero non essere precise al 100%.