APA-viite (7. p.)

Wolff, H. (1990). A bibliography of occupational health and safety in the Philippines (1949-1989).

Chicago-viite (17. p.)

Wolff, Hans-Juergen. A Bibliography of Occupational Health and Safety in the Philippines (1949-1989). Manila : Edith Flores Wolff & Hans-Juergen Wolff, 1990.

MLA-viite (9. p.)

Wolff, Hans-Juergen. A Bibliography of Occupational Health and Safety in the Philippines (1949-1989). 1990.

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