Cita APA (7th ed.)

Gisbert, P. (1973). Fundamentals of sociology. Orient Longman.

Cita Chicago (17th ed.)

Gisbert, Pascual. Fundamentals of Sociology. Bombay: Orient Longman, 1973.

Cita MLA (9th ed.)

Gisbert, Pascual. Fundamentals of Sociology. Orient Longman, 1973.