Gaya APA

Rao, D, P. et al (1976). Building Reading Skills Vocabulary Development Skills . Illinois: Illinois: McDougal, Littell & Company ; 1976.

Gaya MLA

Rao, DS, Prakash. et al. "Building Reading Skills Vocabulary Development Skills". Illinois: Illinois: McDougal, Littell & Company ; 1976, 1976. Text.