Ramona, C. (2015). TEACHING BASICS OF THE DESCRIPTIVE GEOMETRY – RELATIVE POSITIONS OF LINES AND PLANES. SORGING.
Chicago-referens (17:e uppl.)Ramona, CLINCIU. TEACHING BASICS OF THE DESCRIPTIVE GEOMETRY – RELATIVE POSITIONS OF LINES AND PLANES. SORGING, 2015.
MLA-referens (9:e uppl.)Ramona, CLINCIU. TEACHING BASICS OF THE DESCRIPTIVE GEOMETRY – RELATIVE POSITIONS OF LINES AND PLANES. SORGING, 2015.
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