Cita APA (7th ed.)
GREENHAW, A., & SADLER, B. (1989). WHALE... WET HAPPENINGS AND LEARNING EXPERIENCES.
Cita Chicago (17th ed.)
GREENHAW, A., i B. SADLER. WHALE... WET HAPPENINGS AND LEARNING EXPERIENCES. 1989.
Cita MLA (9th ed.)
GREENHAW, A., i B. SADLER. WHALE... WET HAPPENINGS AND LEARNING EXPERIENCES. 1989.
Atenció: Aquestes cites poden no estar 100% correctes.