Παραπομπή APA

Alston, F. Guide to environment safety & health management: Developing, implementing, & maintaining a continuous improvement program.

Παραπομπή Chicago Style

Alston, Frances. Guide to Environment Safety & Health Management: Developing, Implementing, & Maintaining a Continuous Improvement Program.

Παραπομπή MLA

Alston, Frances. Guide to Environment Safety & Health Management: Developing, Implementing, & Maintaining a Continuous Improvement Program.