Gaya APA

NEWKIRK, Willeam L. (1993). Occupational Health Services: Practical Strategies for Improving Quality and Controlling Costs . USA: American Hospital Publishing.

Gaya Chicago

NEWKIRK, Willeam L. Occupational Health Services: Practical Strategies for Improving Quality and Controlling Costs. USA: American Hospital Publishing, 1993. Buku Text.

Gaya MLA

NEWKIRK, Willeam L. Occupational Health Services: Practical Strategies for Improving Quality and Controlling Costs. USA: American Hospital Publishing, 1993. Buku Text.

Gaya Turabian

NEWKIRK, Willeam L. Occupational Health Services: Practical Strategies for Improving Quality and Controlling Costs. USA: American Hospital Publishing, 1993. Buku Text.