توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Grigor, J. Arboriculture or a practical treatise on raising and managing forest trees: An on the profitable extension of the woods and forests of grest britain (second edition.). 1881.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Grigor, John. Arboriculture or a Practical Treatise on Raising and Managing Forest Trees: An on the Profitable Extension of the Woods and Forests of Grest Britain. second edition. Edinburgh [Escocia]: 1881.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Grigor, John. Arboriculture or a Practical Treatise on Raising and Managing Forest Trees: An on the Profitable Extension of the Woods and Forests of Grest Britain. second edition. 1881.