SpringerLink (Online service), Hoop, H. d., & Swart, P. d. (2009). Differential Subject Marking. Springer Netherlands.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Helen de Hoop, and Peter de Swart. Differential Subject Marking. Dordrecht: Springer Netherlands, 2009.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Differential Subject Marking. Springer Netherlands, 2009.
Warning: These citations may not always be 100% accurate.