Gaya APA
Diseases of Occupation and Vocational Hygiene. (1916).
Boston:
Blakiston Son and Company.
Gaya Chicago
Diseases of Occupation and Vocational Hygiene.
.
Boston:
Blakiston Son and Company,
1916.
Teks.
Gaya MLA
Diseases of Occupation and Vocational Hygiene.
.
Boston:
Blakiston Son and Company,
1916.
Teks.
Gaya Turabian
Diseases of Occupation and Vocational Hygiene.
Boston:
Blakiston Son and Company,
1916.
Teks.