Schelde - Leie - Noordzee = Escaut - Lys -Mer du Nord = Scheldt - Lys - North Sea.
MLA
De Herde, Regnier, and Bert Peleman. Schelde - Leie - Noordzee = Escaut - Lys -mer Du Nord = Scheldt - Lys - North Sea. Antwerpen: J.-E. Buschmann, 1975.
APA
De Herde, R., & Peleman, B. (1975). Schelde - Leie - Noordzee = Escaut - Lys -Mer du Nord = Scheldt - Lys - North Sea. Antwerpen: J.-E. Buschmann.
Chicago
De Herde, Regnier, and Bert Peleman. Schelde - Leie - Noordzee = Escaut - Lys -Mer Du Nord = Scheldt - Lys - North Sea. Antwerpen: J.-E. Buschmann, 1975.