APA

Eggelsman R., . (1978). Comparisons between trenchless and trenching subdrainage. : International Drainage Workshop, Wageningen, Netherlands, May 16-20, 1978.

Chicago

Eggelsman R, . 1978. Comparisons between trenchless and trenching subdrainage. : International Drainage Workshop, Wageningen, Netherlands, May 16-20, 1978.

Harvard

Eggelsman R., . (1978). Comparisons between trenchless and trenching subdrainage. : International Drainage Workshop, Wageningen, Netherlands, May 16-20, 1978.

MLA

Eggelsman R, . Comparisons between trenchless and trenching subdrainage. : International Drainage Workshop, Wageningen, Netherlands, May 16-20, 1978. 1978.