Παραπομπή APA

Lewis, J. O., & Goulding, J. (1999). European directory of sustainable and energy efficient building 1999: Componets, services, materials. London: James & James.

Παραπομπή Chicago Style

Lewis, J. Owen, and John Goulding. European Directory of Sustainable and Energy Efficient Building 1999: Componets, Services, Materials. London: James & James, 1999.

Παραπομπή MLA

Lewis, J. Owen, and John Goulding. European Directory of Sustainable and Energy Efficient Building 1999: Componets, Services, Materials. London: James & James, 1999.

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