Ldicke, M. K. (2006). A Theory of Marketing: Outline of a Social Systems Perspective. DUV. https://doi.org/10.1007/978-3-8350-9131-3

Ldicke, Marius K. A Theory of Marketing: Outline of a Social Systems Perspective. Wiesbaden: DUV, 2006. https://doi.org/10.1007/978-3-8350-9131-3.

Ldicke, Marius K. A Theory of Marketing: Outline of a Social Systems Perspective. DUV, 2006. https://doi.org/10.1007/978-3-8350-9131-3.