Williamson , G. . .. (1967). Exploring bridges. Odh ams books.
Tohutoru Kātū Chicago (17th ed.)Williamson , Geoffrey. Exploring Bridges. London: Odh ams books, 1967.
Tohutoro MLA (9th ed.)Williamson , Geoffrey. Exploring Bridges. Odh ams books, 1967.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.