APA-ийн эшлэл(7 дахь хэвлэлт)

Leonard, I. E., & Leonard, I. E. (2014). Classical geometry: Euclidean, transformational, inversive, and projective. Wiley.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Leonard, I. E., ба I. E. Leonard. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Hoboken, New Jersey: Wiley, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Leonard, I. E., ба I. E. Leonard. Classical Geometry: Euclidean, Transformational, Inversive, and Projective. Wiley, 2014.