Cita APA

Fridthjof, J., & Fridthjof, J. (1962). Encouraging the use of protein - rich foods. Rome: Food and Agriculture Organization of the United Nations.

Citación estilo Chicago

Fridthjof, John, y John Fridthjof. Encouraging the Use of Protein - Rich Foods. Rome: Food and Agriculture Organization of the United Nations, 1962.

Cita MLA

Fridthjof, John, y John Fridthjof. Encouraging the Use of Protein - Rich Foods. Rome: Food and Agriculture Organization of the United Nations, 1962.