APA引文

Abeysekara, T., & Sēnānāyaka, P. (1974). Economics of vegetable production and marketing: A case study of 4 villages in Palugama (Welimada). Agrarian Research and Training Institute.

Chicago Style (17th ed.) Citation

Abeysekara, Terrence, and Piyadāsa Sēnānāyaka. Economics of Vegetable Production and Marketing: A Case Study of 4 Villages in Palugama (Welimada). Colombo: Agrarian Research and Training Institute, 1974.

MLA引文

Abeysekara, Terrence, and Piyadāsa Sēnānāyaka. Economics of Vegetable Production and Marketing: A Case Study of 4 Villages in Palugama (Welimada). Agrarian Research and Training Institute, 1974.