Gaya APA
Mayer, T., Madelung, W. (2016).
Avicenna's Allegory on the Soul: An Ismaili Interpretation .
London:
UK Publishers.
Gaya MLA
Mayer, Toby., Madelung, Wilferd.
"Avicenna's Allegory on the Soul: An Ismaili Interpretation".
London:
UK Publishers,
2016.
Buku.