Gaya APA
Yosephin, B., et.al, . (2016).
determinant Factors Of Vitamin D Status of Female Factory Workers at Childbearing Age .
Bogor:
IPB press.
Gaya MLA
Yosephin, Betty., et.al, .
"determinant Factors Of Vitamin D Status of Female Factory Workers at Childbearing Age".
Bogor:
IPB press,
2016.
Textbook.