Penggayaan APA

Occupational health and safety back care education program 8 bagian. ([s.a]). [s.l]: [s.n].

Chicago Style

Occupational health and safety back care education program 8 bagian. . [s.l]: [s.n], [s.a]. Text.

MLA Style

Occupational health and safety back care education program 8 bagian. . [s.l]: [s.n], [s.a]. Text.

Turabian Style

Occupational health and safety back care education program 8 bagian. [s.l]: [s.n], [s.a]. Print.