Style de citation APA (7e éd.)

Ranasinghe, W., Mileham, S. M. K., & Gunatunga, C. (1977). A bibliography of socio-economic studies in the agrarian sector of Sri Lanka. Agrarian Research and Training Institute.

Style de citation Chicago (17e éd.)

Ranasinghe, W., S. M. K. Mileham, et C. Gunatunga. A Bibliography of Socio-economic Studies in the Agrarian Sector of Sri Lanka. [Colombo]: Agrarian Research and Training Institute, 1977.

Style de citation MLA (8e éd.)

Ranasinghe, W., et al. A Bibliography of Socio-economic Studies in the Agrarian Sector of Sri Lanka. Agrarian Research and Training Institute, 1977.