APA引文

Wåhlin, E. (1978). Research on classification systems: Summarizing report on research on classification systems and their application. Swedish Council for Building Research.

Chicago Style (17th ed.) Citation

Wåhlin, Ejnar. Research on Classification Systems: Summarizing Report on Research on Classification Systems and Their Application. Stockholm: Swedish Council for Building Research, 1978.

MLA引文

Wåhlin, Ejnar. Research on Classification Systems: Summarizing Report on Research on Classification Systems and Their Application. Swedish Council for Building Research, 1978.