APA引文

Kramer,Randall A. (1995). Valuing tropical forests: Methodology and case study of Madagascar. World Bank.

Chicago Edition Citation

Kramer,Randall A. Valuing Tropical Forests: Methodology and Case Study of Madagascar. Washington: World Bank, 1995.

MLA引文

Kramer,Randall A. Valuing Tropical Forests: Methodology and Case Study of Madagascar. World Bank, 1995.

警告：這些引文格式不一定是100％准確.