APA

Spuybroek L., Lang B., Nederlands Architectuurinstituut & International NAI Summer Master Class. (2001). The weight of the image: 4th International NAI Summer Master Class, 15-28 August 1999, Netherlands Architecture Institute, Rotterdam. Rotterdam: NAI Publishers.

Chicago

Spuybroek Lars, Lang Bob, Nederlands Architectuurinstituut and International NAI Summer Master Class. 2001. The weight of the image: 4th International NAI Summer Master Class, 15-28 August 1999, Netherlands Architecture Institute, Rotterdam. Rotterdam: NAI Publishers.

Harvard

Spuybroek L., Lang B., Nederlands Architectuurinstituut and International NAI Summer Master Class. (2001). The weight of the image: 4th International NAI Summer Master Class, 15-28 August 1999, Netherlands Architecture Institute, Rotterdam. Rotterdam: NAI Publishers.

MLA

Spuybroek Lars, Lang Bob, Nederlands Architectuurinstituut and International NAI Summer Master Class. The weight of the image: 4th International NAI Summer Master Class, 15-28 August 1999, Netherlands Architecture Institute, Rotterdam. Rotterdam: NAI Publishers. 2001.