Barford, N. C. (1973). Mechanics. John Wiley & Sons.
Tohutoru Kātū Chicago (17th ed.)Barford, N. C. Mechanics. London: John Wiley & Sons, 1973.
Tohutoro MLA (9th ed.)Barford, N. C. Mechanics. John Wiley & Sons, 1973.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.