APA (7th ed.) Citation

Mercado, N. L. (1993). Leader's book: Who holds the days of the Presidentn. Amsterdam.

Chicago Style (17th ed.) Citation

Mercado, Norberto L. Leader's Book: Who Holds the Days of the Presidentn. Quezon City: Amsterdam, 1993.

MLA (9th ed.) Citation

Mercado, Norberto L. Leader's Book: Who Holds the Days of the Presidentn. Amsterdam, 1993.