Heffernan, M. (2011). At the bureau of divine music: Poems. Wayne State University Press.
Citazione stile Chigago Style (17a edizione)Heffernan, Michael. At the Bureau of Divine Music: Poems. Detroit: Wayne State University Press, 2011.
Citatione MLA (9a ed.)Heffernan, Michael. At the Bureau of Divine Music: Poems. Wayne State University Press, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.