Cita APA (7th ed.)

Voss, J. H., & Killip, T. (1980). Cooperation and market penetration: Transformations in indigenous forms of cooperation on the Cordillera central of the Philippines.

Cita Chicago (17th ed.)

Voss, Joachim Heinrich, i Tom Killip. Cooperation and Market Penetration: Transformations in Indigenous Forms of Cooperation on the Cordillera Central of the Philippines. 1980.

Cita MLA (9th ed.)

Voss, Joachim Heinrich, i Tom Killip. Cooperation and Market Penetration: Transformations in Indigenous Forms of Cooperation on the Cordillera Central of the Philippines. 1980.