Gaya APA

Hayden, . et al (1956). Mastering American English : a handbook-workbook of essential . Englewood Cliffs, NJ: Prentice Hall.

Gaya MLA

Hayden, . et al. "Mastering American English : a handbook-workbook of essential". Englewood Cliffs, NJ: Prentice Hall, 1956. Text.