APA引文

Lyttkens, C. H. (1985). Swedish work environment policy: An economic analysis. [s.n.].

Chicago Style (17th ed.) Citation

Lyttkens, Carl Hampus. Swedish Work Environment Policy: An Economic Analysis. Lund: [s.n.], 1985.

MLA引文

Lyttkens, Carl Hampus. Swedish Work Environment Policy: An Economic Analysis. [s.n.], 1985.