ROBERTSON MARGARET. (2017). SUSTAINABILITY PRINCIPLES AND PRACTICE (2.). EARTHSCAN FROM ROUTLEDGE.
Cita Chicago (17th ed.)ROBERTSON MARGARET. SUSTAINABILITY PRINCIPLES AND PRACTICE. 2. EARTHSCAN FROM ROUTLEDGE, 2017.
Cita MLA (9th ed.)ROBERTSON MARGARET. SUSTAINABILITY PRINCIPLES AND PRACTICE. 2. EARTHSCAN FROM ROUTLEDGE, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.