Gaya APA

Forward, G, G., Howard, E. (2000). American Diction for Singers : Standard American Diction for Singers and Speaker (1). : Alfred Publishing Co.. Inc..

Gaya MLA

Forward, Geoffrey, G.., Howard, Elisabeth. "American Diction for Singers : Standard American Diction for Singers and Speaker". 1 : Alfred Publishing Co.. Inc., 2000. Non Fiction.