Dyfyniad APA

Alessandrini, S., & Dallago, B. (1987). The Unofficial economy: Consequences and perspectives in different economic systems. Gower.

Dyfyniad Arddull Chicago

Alessandrini, Sergio, and Bruno Dallago. The Unofficial Economy: Consequences and Perspectives in Different Economic Systems. Aldershot, Hants, Eng: Gower, 1987.

Dyfyniad MLA

Alessandrini, Sergio, and Bruno Dallago. The Unofficial Economy: Consequences and Perspectives in Different Economic Systems. Gower, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.