APA-referens (7:e uppl.)

BHATT. (2011). ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ).

Chicago-referens (17:e uppl.)

BHATT. ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ). 2011.

MLA-referens (9:e uppl.)

BHATT. ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ). 2011.

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