Tolong jelaskan mengenai Rujukan karya dari On the Pulse of Morning

Burr, Zofia (2002). Of Women, Poetry, and Power: Strategies of Address in Dickinson, Miles, Brooks, Lorde, and Angelou. Urbana, Illinois: University of Illinois Press. ISBN 978-0-252-02769-7

Gillespie, Marcia Ann, Rosa Johnson Butler, and Richard A. Long (2008). Maya Angelou: A Glorious Celebration. New York: Random House. ISBN 978-0-385-51108-7

Hagen, Lyman B. (1997). Heart of a Woman, Mind of a Writer, and Soul of a Poet: A Critical Analysis of the Writings of Maya Angelou. Lanham, Maryland: University Press of America. ISBN 978-0-7618-0621-9

Lupton, Mary Jane (1998). Maya Angelou: A Critical Companion. Westport, Connecticut: Greenwood Press. ISBN 978-0-313-30325-8

Pisko-Freund, Lois (1994-03-01). "Poetry and Motion: Comparing Angelou's Poetry and Clinton's Inaugural Theme of Change". Florida Communication Journal (Florida Communication Association) 22 (1): pp. 35–42