Citazione APA

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.

Stile di citazione Chicago

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

Citazione MLA

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