BHATT. (2011). ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ).
Čikaški stil citiranja (17. izdanje)BHATT. ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ). 2011.
MLA način citiranja (9. izdanje)BHATT. ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ). 2011.
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