Παραπομπή APA

Kolkman, P. A., & Slagter, J. C. (1976). The Kreekrak locks on the Scheldt-Rhine connection. The Hague: Government Publishing Office.

Παραπομπή Chicago Style

Kolkman, P. A., and J. C. Slagter. The Kreekrak Locks On the Scheldt-Rhine Connection. The Hague: Government Publishing Office, 1976.

Παραπομπή MLA

Kolkman, P. A., and J. C. Slagter. The Kreekrak Locks On the Scheldt-Rhine Connection. The Hague: Government Publishing Office, 1976.

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