Dyfyniad APA

Howell, D., & Raison, T. (1961). Principles in practice: A series of Bow Group essays for the 1960s. Conservative Political Centre on behalf of the Bow Group.

Dyfyniad Arddull Chicago

Howell, David, and Timothy Raison. Principles in Practice: A Series of Bow Group Essays for the 1960s. London: Conservative Political Centre on behalf of the Bow Group, 1961.

Dyfyniad MLA

Howell, David, and Timothy Raison. Principles in Practice: A Series of Bow Group Essays for the 1960s. Conservative Political Centre on behalf of the Bow Group, 1961.

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