Παραπομπή σε μορφή APA (7η εκδ.)

Gay, P. (2015). Practical Boundary Surveying: Legal and Technical Principles. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gay, Paul. Practical Boundary Surveying: Legal and Technical Principles. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gay, Paul. Practical Boundary Surveying: Legal and Technical Principles. Springer International Publishing : Imprint: Springer, 2015.