Παραπομπή APA

Ratnapalan, S., Rayar, M. S., & Crawley, M. (2009). Educational services for hospitalized children. Pulsus Group Inc.

Παραπομπή Chicago Style

Ratnapalan, Savithiri, Meera S. Rayar, και Michael Crawley. Educational Services for Hospitalized Children. Pulsus Group Inc, 2009.

Παραπομπή MLA

Ratnapalan, Savithiri, Meera S. Rayar, και Michael Crawley. Educational Services for Hospitalized Children. Pulsus Group Inc, 2009.

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