APA引文

Melberg, H. O., & Lund, K. E. (2010). Do smoke-free laws affect revenues in pubs and restaurants? Springer-Verlag.

Citação norma Chicago

Melberg, Hans Olav, and Karl E. Lund. Do Smoke-free Laws Affect Revenues in Pubs and Restaurants? Springer-Verlag, 2010.

MLA引文

Melberg, Hans Olav, and Karl E. Lund. Do Smoke-free Laws Affect Revenues in Pubs and Restaurants? Springer-Verlag, 2010.

警告：這些引文格式不一定是100％准確.