APA-ийн эшлэл(7 дахь хэвлэлт)

(1925). A treatise on the investigation of titles to real property in Ontario with a precedent for an abstract / by Edward Douglas Armour. [electronic resource].

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

A Treatise on the Investigation of Titles to Real Property in Ontario with a Precedent for an Abstract / by Edward Douglas Armour. [electronic Resource]. 1925.

MLA -ийн эшлэл (9 дэх хэвлэлт)

A Treatise on the Investigation of Titles to Real Property in Ontario with a Precedent for an Abstract / by Edward Douglas Armour. [electronic Resource]. 1925.