Gaya APA

Long., E, M, D, L, ;, D, A. (1984). Toxic and hazardous wasters: proceedings of the sixteenth Mid-Atlantic industrial waste conference . pennsylvania: technomic publising.

Gaya MLA

Long., Ed., Michael, D., Lagrega, ;, David, A.. "Toxic and hazardous wasters: proceedings of the sixteenth Mid-Atlantic industrial waste conference". pennsylvania: technomic publising, 1984. Text.