Gaya APA

Watts, Duncan. (2007). Pressure groups . : Edinburgh University Press (EUP).

Gaya Chicago

Watts, Duncan. Pressure groups. : Edinburgh University Press (EUP), 2007. Electronic Resource.

Gaya MLA

Watts, Duncan. Pressure groups. : Edinburgh University Press (EUP), 2007. Electronic Resource.

Gaya Turabian

Watts, Duncan. Pressure groups. : Edinburgh University Press (EUP), 2007. Electronic Resource.