Cita APA (7th ed.)

Gapuz, V., Gapuz, V. P., & Lozada, C. D. (1990). The Economic crunch: How to cope and manage. V.P. Gapuz.

Cita Chicago (17th ed.)

Gapuz, V.P, V. P. Gapuz, i C. D. Lozada. The Economic Crunch: How to Cope and Manage. [Valenzuela, Metro Manila]: V.P. Gapuz, 1990.

Cita MLA (9th ed.)

Gapuz, V.P, et al. The Economic Crunch: How to Cope and Manage. V.P. Gapuz, 1990.