Cita APA (7th ed.)

ebrary, Inc, Perrels, A. H., Himanen, V., & Lee-Gosselin, M. (2008). Building blocks for sustainable transport: Obstacles, trends, solutions. Emerald.

Cita Chicago (17th ed.)

ebrary, Inc, A. H. Perrels, Veli Himanen, i Martin Lee-Gosselin. Building Blocks for Sustainable Transport: Obstacles, Trends, Solutions. Bingley: Emerald, 2008.

Cita MLA (9th ed.)

ebrary, Inc, et al. Building Blocks for Sustainable Transport: Obstacles, Trends, Solutions. Emerald, 2008.