Cita APA (7th ed.)

Gisbert, P. (1963). Fundamentals of sociology. Orient Langmans.

Cita Chicago (17th ed.)

Gisbert, Pascual. Fundamentals of Sociology. Bombay: Orient Langmans, 1963.

Cita MLA (9th ed.)

Gisbert, Pascual. Fundamentals of Sociology. Orient Langmans, 1963.