Nichols, Roger. "Four Poems to Friends." Camille Saint-Saëns: On Music and Musicians. : Oxford University Press, 2008-10-27. Oxford Scholarship Online. 2011-10-03. Date Accessed 23 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320169.001.0001/acprof-9780195320169-chapter-27>.
Nichols, R.(2008-10-27). Four Poems to Friends. In Camille Saint-Saëns: On Music and Musicians. : Oxford University Press. Retrieved 23 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320169.001.0001/acprof-9780195320169-chapter-27.
Nichols, Roger. "Four Poems to Friends." In Camille Saint-Saëns: On Music and Musicians. : Oxford University Press, 2008-10-27. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320169.001.0001/acprof-9780195320169-chapter-27.
Nichols R. Four Poems to Friends. In: Nichols R. Camille Saint-Saëns: On Music and Musicians. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320169.001.0001/acprof-9780195320169-chapter-27. Accessed May 23, 2013.