APA aipamena

ROBERTSON MARGARET. (2017). SUSTAINABILITY PRINCIPLES AND PRACTICE (2.). EARTHSCAN FROM ROUTLEDGE.

Chicago Style aipamena

ROBERTSON MARGARET. SUSTAINABILITY PRINCIPLES AND PRACTICE. 2. EARTHSCAN FROM ROUTLEDGE, 2017.

MLA aipamena

ROBERTSON MARGARET. SUSTAINABILITY PRINCIPLES AND PRACTICE. 2. EARTHSCAN FROM ROUTLEDGE, 2017.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.