Стиль цитування APA (7-ме видання)

(1996). Project appraisal and valuation of the environment: General principles and six case-studies in developing countries / Peter Abelson.

Чикаго стиль цитування (17-те видання)

Project Appraisal and Valuation of the Environment: General Principles and Six Case-studies in Developing Countries / Peter Abelson. 1996.

Стиль цитування MLA (9-ме видання)

Project Appraisal and Valuation of the Environment: General Principles and Six Case-studies in Developing Countries / Peter Abelson. 1996.