Cita APA (7th ed.)

Okita, S. (1982). Population, natural resources, environment and human resources in development. Population Research Institute, Nihon University.

Cita Chicago (17th ed.)

Okita, Saburo. Population, Natural Resources, Environment and Human Resources in Development. Tokyo: Population Research Institute, Nihon University, 1982.

Cita MLA (9th ed.)

Okita, Saburo. Population, Natural Resources, Environment and Human Resources in Development. Population Research Institute, Nihon University, 1982.