Gaya APA

(ILO), I, L, O. (2015). e-Book Occupational safety and health and skills in the oil and gas industry operating in polar and subarctic climate zones of the northern hemisphere (Cet. 1). : International Labour Organization (ILO) – Kantor Perburuhan Internasional.

Gaya MLA

(ILO), International, Labour, Organization. "e-Book Occupational safety and health and skills in the oil and gas industry operating in polar and subarctic climate zones of the northern hemisphere". Cet. 1 : International Labour Organization (ILO) – Kantor Perburuhan Internasional, 2015. Electronic Resource.