APA-ийн эшлэл(7 дахь хэвлэлт)

Ritter, M. A., & Wacker, J. P. ;. T. (1995). Field performance of timber bridges: Cooper creek stress- laminated deck bridge. United state department of agriculture.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ritter, Michael A., ба James P. ; Tice Wacker. Field Performance of Timber Bridges: Cooper Creek Stress- Laminated Deck Bridge. Washington DC: United state department of agriculture, 1995.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ritter, Michael A., ба James P. ; Tice Wacker. Field Performance of Timber Bridges: Cooper Creek Stress- Laminated Deck Bridge. United state department of agriculture, 1995.