Cita APA (7th ed.)

Hummel Anita Louise & Sethsathira, P. (1991). Starting and operating a business in thailand. McGraw-Hill Book.

Cita Chicago (17th ed.)

Hummel Anita Louise i Pises Sethsathira. Starting and Operating a Business in Thailand. Singapore: McGraw-Hill Book, 1991.

Cita MLA (9th ed.)

Hummel Anita Louise i Pises Sethsathira. Starting and Operating a Business in Thailand. McGraw-Hill Book, 1991.