APA

Krause J., International Gas Union I., Sustainable Urban Systems Design International Competition, World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), International Gas Union I. & World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo).Germany (Civitas 9-0-1). : .

Chicago

Krause Jens, International Gas Union IGU, Sustainable Urban Systems Design International Competition, World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), International Gas Union IGU and World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo).Germany (Civitas 9-0-1). : .

Harvard

Krause J., International Gas Union I., Sustainable Urban Systems Design International Competition, World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), International Gas Union I. and World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo).Germany (Civitas 9-0-1). : .

MLA

Krause Jens, International Gas Union IGU, Sustainable Urban Systems Design International Competition, World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), International Gas Union IGU and World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo).: . .