APA ציטוט

Duisberg, P. (1978). Memorandum: Recommendations inf the field of soils.

Citación estilo Chicago

Duisberg, P.C. Memorandum: Recommendations Inf the Field of Soils. 1978.

ציטוט MLA

Duisberg, P.C. Memorandum: Recommendations Inf the Field of Soils. 1978.