APA (7th ed.) Citation

Riyanto, S. The First Things First English Vocabulary: 1000 Selected Adjectives, Adverbs, Prepositions Used In Speaking English. Pustaka Pelajar.

Chicago Style (17th ed.) Citation

Riyanto, Slamet. The First Things First English Vocabulary: 1000 Selected Adjectives, Adverbs, Prepositions Used In Speaking English. Pustaka Pelajar.

MLA (8th ed.) Citation

Riyanto, Slamet. The First Things First English Vocabulary: 1000 Selected Adjectives, Adverbs, Prepositions Used In Speaking English. Pustaka Pelajar.

Warning: These citations may not always be 100% accurate.