APA
Barnett S., Brooks R., . (2000). Be cheerful. New Delhi: B. Jain publishers.
Chicago
Barnett Stephen, Brooks Rosie, . 2000. Be cheerful. New Delhi: B. Jain publishers.
Harvard
Barnett S., Brooks R., . (2000). Be cheerful. New Delhi: B. Jain publishers.
MLA
Barnett Stephen, Brooks Rosie, . Be cheerful. New Delhi: B. Jain publishers. 2000.