Dyfyniad APA

Symposium on Horticultural Economics Hamburg, Germany, Schenk, E. W., & Ostendorf, H. D. (1983). Seventh Symposium on Horticultural Economics: 21st International Horticultural Congress, 29 August -4 September 1982, Hamburg, Fed. Rep. of Germany. International Society for Horticultural Science, Commission for Horticultural Economics.

Dyfyniad Arddull Chicago

Symposium on Horticultural Economics Hamburg, Germany, E. W. Schenk, and H. D. Ostendorf. Seventh Symposium on Horticultural Economics: 21st International Horticultural Congress, 29 August -4 September 1982, Hamburg, Fed. Rep. of Germany. Wageningen, Netherlands: International Society for Horticultural Science, Commission for Horticultural Economics, 1983.

Dyfyniad MLA

Symposium on Horticultural Economics Hamburg, Germany, et al. Seventh Symposium on Horticultural Economics: 21st International Horticultural Congress, 29 August -4 September 1982, Hamburg, Fed. Rep. of Germany. International Society for Horticultural Science, Commission for Horticultural Economics, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.