Παραπομπή APA

Gardiner, L. (1979). Mechanical plant in construction. George Godwin Ltd.

Παραπομπή Chicago Style

Gardiner, L. Mechanical Plant in Construction. London: George Godwin Ltd, 1979.

Παραπομπή MLA

Gardiner, L. Mechanical Plant in Construction. George Godwin Ltd, 1979.