Cita APA (7th ed.)

PANGLAYKIM, Y. (1974). Trend in marketing. CSIS.

Cita Chicago (17th ed.)

PANGLAYKIM, Yusuf. Trend in Marketing. Jakarta: CSIS, 1974.

Cita MLA (9th ed.)

PANGLAYKIM, Yusuf. Trend in Marketing. CSIS, 1974.